China's concept stocks tumbled more than 10 shares yesterday, down more than 10% per cent.

August 5, JPMorgan Chase cut U.S. growth forecasts, investors worried about U.S. economic growth prospects, Thursday U.S. stock market fell sharply, the Dow closed down 512 points, two-year Treasury yields fell to record lows.

August 5--U.S. stock markets plunged, the S & P 500 index fell to the highest since February 2009. U.S. 2-year Treasury bond yields fell to record lows amid fears of a weak economy. Thursday (4th)--Japan's central bank returned to the currency market again, depressing the rising yen, causing the yen to fall sharply and to vomit for nearly two weeks.

Beijing time August 5, 2011 4 O'Clock in the morning (US Eastern time August 4 16 o'clock in the afternoon), the Dow Jones industrial average fell 512.53 points, closed at 11,383.91, or 4.31%; the Nasdaq composite index fell 136.68 points and closed at 2,556.39. By 5.08%, the standard and poor 500 index fell 60.24 points, at 1,200 10 points, or 4.78%.

Since July 22, the S & P 500 index has fallen nearly 11%. The MSCI All-country World Index fell 4.1% as Brazilian stocks fell to a 2-year low and Switzerland entered a bear market. The yen fell 4.1% against the dollar. Crude oil prices fell 5.8%.

China concept Unit

Trend Overview:

10 languished to 10% 8 to a 52-week low

By the close, the Chinese concept unit overall closed down, Renren fell 15.53%, Skye declined 14.41%, Youku declined 12.99%, China Net declined 12.35%, art Dragon fell 11.96%, air net decreased 10.78%, Dangdang decreased 10.35%.

More than 5% of the shares, the details are:

Sina fell 9.09% to 90.79 U.S. dollars, Qiao Xing moved down 9.14% to 1.69 U.S. dollars, and the letter fell 9.08% to $12.91, and Macaulay fell 8.79% to $2.18, while the Royal network fell 8.29% to $31.97; Closed at 0.90 dollars, century Jia Yuan fell 7.88% to 13.68 U.S. dollars, Sohu fell 7.83% closed to 73.29 U.S. dollars, the exhibition communications fell 7.42% closed to 13.23 U.S. dollars, blue flood communications fell 7.19% closed to 7.36 U.S. dollars; NetEase fell 7.13% Closed at 43.90 U.S. dollars, the U.S. media fell 7.02% to 2.78 U.S. dollars, UT Tatsu Kang fell 6.8% closed to 1.37 U.S. dollars, the perfect world fell 6.29% closed to 17.44 dollars, the new Oriental fell 5.96% closed to 110.90 U.S. dollars. Tak Letter Wireless fell 5.94% to 3.80 U.S. dollars, cool 6 media closed at 5.88% to 2.56 U.S. dollars, the media fell 5.85% closed to 29.43 U.S. dollars, Hai-hui software fell 5.72% closed to 12.20 U.S. dollars, Baidu fell 5.58% closed to 143.92 dollars; Net Qin fell 5.02% Closed at 7.19 U.S. dollars, Chinese communications fell 5.05% to 1.88 U.S. dollars;

More than 10% per cent of the shares:

Renren fell 15.53% to $8.05, while the sky Network fell 14.41% to 5.76, while the United Travel Network fell 13.02% to $0.80; Youku fell 12.99% to $28.94; China net software declined 12.35% Closed at $1.42, Kiu Hing Global declined 11.11% to $1.04, a dip of 11.07% to 41.05 USD, BC Semiconductor plunged 11% to $6.07, air net fell 10.78% to $4.22; Closed at $9.18, Yi Long net fell 10.23% to 20.42 U.S. dollars.

When, Shanda Network, air network, cool 6 media, China network software, airlines, the United States media, Qiao Xing Mobile, 8 of Mai Lin's stock set a 52-week low.

Stock Overview:

Renren, which opened at $9.18 trillion, fell at $1.48 a day, down 15.53% per cent, to $8.05 trillion. Renren fell for four consecutive trading days, down 23.27% per cent. Renren's stock price fluctuation range of 7.86-9.23 U.S. dollars, turnover of 5.39 million shares, daily trading volume of 7.44 million shares.

Skye fell 0.97 US dollars, or 14.41%, to $5.76. Skye's stock price fluctuation range of 5.53-6.70 U.S. dollars, turnover of 759,000 shares, daily trading volume of 907900 shares.

Youku's shares fell for four consecutive days, with a total decline of 21.59%. Youku, which opened at $31.32 trillion, fell 4.32 dollars a day, down 12.99% to $28.94. The day cool price fluctuation range of 28.48-31.75 U.S. dollars, turnover of 5.45 million shares, daily trading volume of 4.66 million shares.

China net fell 0.20 US dollars, or 12.35%, to $1.42. China net price fluctuation interval 1.36-1.60 U.S. dollars, turnover of 436,300 shares, daily trading volume of 375,300 shares.

Yi Long Network opened in 22.53 U.S. dollars, the whole day fell 2.72 U.S. dollars, a decrease of 11.96%, closed at 20.03 U.S. dollars. Art Dragon Day stock price fluctuation range of 20.01-22.53 U.S. dollars, turnover of 18,900 shares, daily trading volume of 15,100 shares.

The air network, which opened at $4.60 trillion, fell 0.51 dollars a day, down 10.78% to $4.22. The air network price fluctuation interval of 4.17-4.67 U.S. dollars, turnover of 190,500 shares, daily trading volume of 110,700 shares.

Dangdang opened in 10.17 U.S. dollars, a day down 1.06 U.S. dollars, a decrease of 10.35%, closed at 9.18 U.S. dollars. Dangdang stock price fluctuation range of 9.10-10.17 U.S. dollars, turnover of 3.28 million shares, daily trading volume of 5.22 million shares.

Sina's shares fell 9.08 US dollars, or 9.09%, to 90.79. Sina shares fell five consecutive trading days, a cumulative decline of 18.24%. Sina stock price fluctuation range of 90.66-97.29 U.S. dollars, turnover of 5.25 million shares, daily trading volume of 7.34 million shares.

NetQin released its second-quarter results, which ended June 30, 2011. Earnings showed that the second quarter of 2011 Net-qin revenue of 8.9 million U.S. dollars, an increase of 147.4%, the same period last year's revenue of 3.6 million U.S. dollars, operating profit of 140,000 U.S. dollars, a year-on-year increase of 241.7%, net profit of 1.1 million U.S. dollars, year-on-year growth of 977.8% dollars, net profit for the same period last year.

NetQin's shares fell 0.38 US dollars, or 5.02%, to $7.19.

Century internet released unaudited earnings for the second quarter ended June 30, 2011. The report showed that the net revenue for the second quarter of the century was 230.4 million yuan (about 35.6 million U.S. dollars), an increase of 104.6% per cent, net revenue of 112.6 million yuan in the same period last year, and a net loss of sustained operations of RMB 22.8 million yuan (about 3.5 million USD), The net profit for continued operations last year was 5.8 million yuan.

Century interconnection stock prices opened after the shock lower, the whole day fell 0.01 U.S. dollars, a decrease of 0.08%, close to 13.23 U.S. dollars.

Baidu insiders said the company has bought Beijing founder Network Technology Co., Ltd. (that is, sweet potato net) 40% equity, the transaction price of about 47.6 million yuan. Baidu's share price fell 8.51 US dollars, or 5.58%, to $143.92.

The media CEO Jiangnan Spring revealed that the new interactive advertising model based on LBS will be officially launched on October 9, 80% of the screen is expected to be replaced by interactive platform. Shares in the media fell 1.83 US dollars, or 5.85%, to $29.43.

Soft Power announced that the company completed the U.S. Adventier consulting firm mergers and acquisitions. Adventier is a U.S.-based ERP consulting and solutions services company to provide enterprises with ERP services and solutions.

Soft-Power shares rose 0.11 U.S. dollars, or 0.91%, to close at 12.14 dollars.

Qihoo 360 announced that it would announce its unaudited earnings for the second quarter to June 30, 2011 after the close of the U.S. stock market in Beijing August 18, 2011 (US Eastern Time August 17). Qihoo 360 fell 0.52 dollars, or 2.48%, to $20.43.

Future Asset Securities published a study to maintain the Ctrip, giant network stock "buy" rating, but the Ctrip target share price from 52 U.S. dollars to 49 U.S. dollars, the giant target price cut to 10 U.S. dollars. Ctrip shares fell 1.42 US dollars, or 3.58%, to 38.19 dollars today. The giant's shares fell 0.04 U.S. dollars, or 0.55%, to 7.28 dollars.

Credit Suisse issued an investment report to maintain the "outperform" rating of the rice net stock. The rice net rose 0.09 dollars, or 0.68%, to $13.29.

American Tech

Trend Overview:

AMD plunges 9.22% tech stocks down more than 4%

U.S. technology stocks were not spared as the three major stock indexes tumbled.

In particular: Microsoft fell 3.64% per cent to 25.94 dollars. Yahoo fell 7.83% per cent to $12. Google fell 3.93% per cent to $577.52. Cisco fell 4.33% per cent to $14.82. IBM fell 4.11% per cent to $7.35. Apple fell 3.87% per cent to 377.37 dollars. Rim fell 6.87% per cent to $23.59. Dell fell 5.63% per cent to $14.99. HP fell 5.08% per cent to $32.54. Ebay fell 6.85% per cent to $30.04. Adobe fell 4.46% per cent to $26.15. AMD tumbled 9.22% to $6.5.

Stock overview

Google is about to launch a new real-time search service that will incorporate data from Google + and other social networks. David Drummond, Google's chief legal advisor, Drummond that rivals such as Apple, Microsoft and Oracle have blocked Google from buying patents and taken other steps to make it more expensive for handset makers to adopt the Android operating system.

Google's shares fell 23.65 U.S. dollars, or 3.93%, to $577.52.

Walter Piecyk, BTIG analyst at the US Research Institute, expects Apple to sell up to 30 million iphones in the quarter, much higher than the 21.5 million he estimated in the report. Market sources said that although the next-generation mobile operating system iOS 5 has not yet been launched, but Apple has begun approving iOS 5 applications.

Apple's shares fell 15.20 US dollars, or 3.87%, to 377.37.

Blizzard reported its second-quarter earnings in 2011. The quarter showed that Blizzard's second-quarter revenue was 1.15 billion U.S. dollars, an increase of 19% in the same period last year, 967 million U.S. dollars, net profit of 335 million U.S. dollars, year-on-year growth of 53% dollars, earnings per share of 219 million cents, the same period last year for 29 cents.

Blizzard's share price fell 0.26 US dollars, or 2.2%, to $11.56.

SAP announces that Dr. Ouil Omort (Dr Uwe Hommel), vice president of the company and head of global support, will be sent to Beijing to further promote its online support services SAP Maxattention. SAP shares fell 3.94 US dollars, or 6.59%, to $55.86.

Oracle announces the latest Java Platform, Standard Edition 7 (Java SE 7), the first new version of the Java platform unveiled by Oracle. Oracle shares fell 1.31 U.S. dollars, or 4.34%, to $28.88.

Web.com, the SME Internet service provider, has agreed to buy receptacle FX, a privately-held domain-name provider, with about 560 million dollars. Web.com's shares rose 1.71 dollars, or 19.75%, to $10.37.

Goldman Sachs released a study that said ratings declines and rising programme costs will continue to haunt Time Warner's cable-TV performance, giving Time Warner a neutral rating, with a 12-month target of $39. Time Warner's shares fell 1.55 US dollars, or 4.62%, to 32.02 dollars.

J.P. Morgan analyst Kazeniuv Cazeneuve the investment report, saying it is bullish on the development of the Russian Internet search company Yandex, giving the company a "overweight" rating. Yandex's shares fell 1.63 US dollars, or 4.76%, to $32.61.

Attached: China concept stock (U.S. stocks) closing price

Nasdaq 2556.39-5.08%

Sohu 73.29-7.83%

Swimming 41.05-11.07%

NetEase 43.90-7.13%

Sina 90.79-9.09%

Baidu 143.92-5.58%

Macaulay 2.18-8.79%

Dangdang 9.18-10.35%

Youku 28.94-12.99%

Cool 6 Media 2.56-5.88%

SouFun 19.70-1.65%

CRIC 6.27 0.32%

Qihoo 360 20.43-2.48%

Renren 8.05-15.53%

NetQin 7.19-5.02%

Divided Media 29.43-5.85%

Shanda Network 31.97-8.29%

Grand Game 5.42-3.21%

Giant network 7.28-0.55%

Nineth City 5.25-2.78%

Perfect World 17.44-6.29%

Ctrip 38.19-3.58%

E Dragon 20.42-10.23%

Pocket Smart 0.90-8.26%

Aerial Network 4.22-10.78%

Worry 58.09-4.57%

Phoenix New Media 9.11-1.62%

Century Jia Yuan 13.75-7.41%

Financial 2.91-3.64%

China Media 2.34-3.31%

Zhuhai Ju Li 2.02-2.42%

Medium Star Micro 1.50-1.32%

SMIC International 2.76-3.50%

UT 1.37-6.80%

Kiu Hing Mobile 1.69-9.14%

Asia Letter 12.91-9.08%

Tak Shin Wireless 3.80-5.94%

Wuxi Suntech 6.41-9.59%

Shenzhen 24.52-6.23%

New Oriental 110.90-5.96%

Easy Car Network 6.75-3.78%

Blue Flood communication 7.36-7.19%

CDC 1.42-12.35%

Skye 5.76-14.41%

Rice net 13.29 0.68%

Century interconnection 13.23-0.08% (Arctic Star)

(Responsible editor: admin)