NEW YORK (Thestreet) -- Global market indices ended negative last week, after the environmental crisis raised fears of economic damage in Japan. Only India's Nifty edged 0.5% higher, while China's Shanghai Composite Index and Brazil's Bovespa dipped 2% and 0.9%, respectively. At close last week, the Dow Jones and the S&P 500 eroded 1% and 1.3%, respectively.

China: Winners and Losers

Sina ( SINA - Get Report) was at the helm of the gainers' list, up 12.8% during the past week. The company recently integrated a promotional messaging service into its microblogging platform, Sina Weibo. The service is an add-on feature to Weibo that allow users to filter offers they would like to receive from a list of participating group-purchasing websites.

Other internet stocks like Sohu.com ( SOHU and Baidu ( BIDU - Get Report) gained 4.5% and 2.1%, respectively after E-Commerce China Dangdang, considered Amazon.com of China, provided a brighter outlook for the future of internet companies in 2011.

For the second consecutive week, KongZhong ( KONG gained 10.6%, after it was upgraded by TheStreet ratings from hold to buy. Shanda Interactive Entertainment ( SNDA rose 9.3% last week. Market intelligence says that Shanda has reportedly purchased the domain name uanyouhui.com ("Group Discount") for a group buy website.

China Real Estate Information ( CRIC advanced 8.6% last week. The company recently reported 51% year-over-year increase in revenue to $62.4 million, while revenue from online services jumped 82%. For full-year 2010, revenue was up 82%, while net income rose 32% for the same period.

WuXi PharmaTech ( WX gained 6.3% last week. The company estimates revenue for full-year 2011 between $390 and $405 million. China GrenTech ( GRRF rose 6% and the company is scheduled to release its fourth quarter and full-year 2010 financial results on March 16, 2011 after the market closes. Perfect World ( XSELD was up 5.5% after Credit Suisse upgraded the stock's rating to neutral from underperform.

Fuwei Films (Holding) ( FFHL led the pack of losers declining 29.3%. China Shen Zhou Mining & Resources ( SHZ slumped 21.2% after research house Muddy Waters reported that it was short on the stock.

Solar stocks LDK Solar ( LDK, Suntech Power Holdings ( STP and Trina Solar ( TSL dipped 15.4%, 14.7% and 10.6%, respectively. Solar stocks extended declines as industry analysts forecast that subsidy cuts to incentive programs in European countries Italy and France may drag prices and demand for panels that convert sunlight into electricity.

India: Winners and Losers

Sify Technologies ( SIFY topped the gainers, adding 9%. WNS Holdings ( WNS followed, up 4.4%.

Mahanagar Telephone Nigam ( MTE followed, accumulating 4.3%. The company recently reported 3% decline in income for the period 2009-2010, compared to the previous year. The company is facing a major issue of rising staff costs.

Wipro ( WIT was up by a marginal 0.8%. The company announced last week that it received a five-year technology outsourcing contract from India-based Canara Bank to integrate the bank's various rural branches and offices. Financial details of the contract were not disclosed.

iGATE ( IGTE was a major loser last week, shedding 5.6%. Sterlite Industries ( SLT followed, sliding 4.8%.

After Zacks investment Research downgraded the stock to underperform from neutral last week, HDFC Bank ( HDB lost 2.5%. Syntel ( SYNT declined 1.8% despite signing a strategic outsourcing framework agreement with U.K.'s financial services statutory regulator, the Financial Services Authority (FSA). Lastly, Rediff.com ( REDF slipped 1% at close last week.

Brazil: Winners and Losers

Companhia Paranaense de Energia - COPEL ( ELP headed the advancers' list gaining 2.6% last week. SmarTrend reports that the stock has a potential upside of 12% with average analysts' consensus price target of $29.46. Companhia Energetica de Minas Gerais (CEMIG) ( CIG piled 1.2%.

Companhia de Saneamento Basico do Estado de Sao Paulo-SABESP ( SBS followed, up 1%. The company recently announced a $25.4 million tender to construct a water supply system in the Sao Paulo metropolitan area. The 20-month project includes installing 12.4 km of pipeline and a 900 hp pumping station. The World Bank is financing the initiative.

Meanwhile, telecommunications companies Tele Norte Leets Participacoes ( TNL and Vivo Participacoes ( VIVO were up 0.3% and 0.1%, respectively. Last week, Zacks Investment Research upgraded its rating on TNL to neutral from the earlier underperform.

Heading the losers' list was steel producer Gerdau ( GGB, sliding 6.8% last week after reporting a 35% plunge in fourth quarter net income to $248.5 million, or 17 cents per share, as compared to the year-ago quarter. Despite improved revenue, higher cost of sales and operating expenses affected Gerdau's bottom-line performance.

Last week, banking major Banco Bradesco ( BBD dropped 6.8%, while Itaú Unibanco Holding ( ITUB lost 5.7%.

Vale ( VALE fell 6.8% after it became know that the Brazilian government could pressure Vale to pay almost $2.4 billion in back royalties. In fact, the government claims that there are ambiguities in the way royalties are calculated and that Vale has paid pittance for extracting iron ore from Minas Gerais and Para state.

Petroleo Brasileiro ( PBR lost 4.9% during the week after the company announced withdrawing from an oil exploration block off Cuba's northern coast, the rights to which the company received in 2008. However, last week Morgan Stanley raised its price target on the stock to $50 with the current overweight rating.