NEW YORK ( TheStreet) -- Shanghai Composite Index has gained 2.5% during the last one week after the government revealed that it will keep its policy stable, easing down possible credit tightening fears and ensuring a faster economic growth than the first half of the year. Other gainers include Brazil's Bovespa, up 1.8%, S&P 500, up 0.7% and Dow Jones, adding 1.4%. The only index trading in the negative territory was India's Nifty Index, declining 1.6%.Few emerging market ADRs have outperformed both domestic and foreign bourses. Among China ADR gainers, HSW International ( HSWI) escalated 56.7% during the past one week. The company closed at its 52-week high in Thursday's trading session. Fuwei Films Holdings ( FFHL) was up 28.2% after the company announced last week the launch of its new dry film product, which has high global demand and is being manufactured by only two major manufacturers in the Chinese BOPET (plastic films) industry. Meanwhile, The9 ( NCTY), China Natural Resources ( CHNR) and Agria ( GRO) gained 24%, 23.7% and 21.3%, respectively. Other Chinese ADRs, like New Dragon Asia ( NWD), Linktone ( LTON) and China Precision Steel ( CPSL), were up 19.5%, 19.4% and 16.5%, respectively. During the week. Telestone Technologies ( TSTC) accumulated 15.6% during the week after the company provided net income guidance of $22.9 million for full-year 2010 and revenue estimates of $129.4 million. On July 20, Roth Capital Partners assigned a buy rating to the stock with a price target of $20, implying a 74% upside over current levels. Chindex International ( CHDXL) increased 13.8%. On July 19, Roth Capital Partners assigned a buy rating to the stock with price target of $15, representing a 12% upside over current levels. Among India ADR gainers, Rediff.com ( REDFT) was up 7.3% after the company revealed that its pricing power on an average increased 26% during the first quarter ended June 30 as compared to the year-ago quarter. Total revenue was up 4.4%, to $5.18 million, from $4.96 million recorded in the earlier period. The company's total registered users escalated 15% over the year-ago quarter, to 92 million. Sify Technologies ( SIFY) gained 7.1% during the past week. The company is due to release its first-quarter (ended June 30) financial results on July 30 before the market opens.