Afternoon Spy: China Stocks Rock, Apple Keeps On Rolling Staff

The markets are trading solidly to the up side on Wednesday. Traders may be welcoming comments from Federal Reserve Chairman Bernanke after he said additional measures to aid the economy may be used if necessary. In economic news, China released better-than-expected GDP data. The country came in with a reading of 9.5% year over year versus expectations for 9.3%. Today's Top tickerspy Indexes:Social Networking Stocks (up 6.1%, see graph): Shares of SINA (NASDAQ: SINA - News) are rocketing higher after the company announced it will launch a virtual currency for Weibo. Also performing well today is the Chinese Internet Stocks Index. Shares of Taomee Holdings (NYSE: TAOM - News) are up more than 20% on well above average volume.Canadian Mining Stocks (up 4.7%, see graph): North American Palladium (AMEX: PAL - News) is moving higher today after the company reported it expects underground production at its Vezza gold project to begin early next year. Also performing well today is the Gold and Silver Stocks Index. Shares of US Gold (NYSE: UXG - News) are performing well today on well above average volume. Precious metal stocks may be performing well in general because of gold prices hitting a new record.Chinese Solar Stocks (up 4.4%, see graph): LDK Solar Company (NYSE: LDK - News) is leading the Index higher after it announced the company signed contracts to supply solar modules to two leading electric power companies in China. Today's Top Market HeadlinesBuilding Out A Natural Gas Future: America's love affair with natural gas is just beginning. However, without the proper infrastructure in place, much of the potential is lost.Netflix: Street Churns Pricing Models; Who Will Go, Who Will Stay?: Shares of Netflix (NASDAQ: NFLX - News) are up Wednesday following the company's change in pricing yesterday, which effectively raised the cost to its subscribers to get both streaming video and unlimited DVD rentals by splitting them into two separate subscription offers.Apple: Citi, UBS Lift Estimates; iPad 3, Nokia Settlement In Focus: UBS and Citigroup both raised estimates for Apple's (NASDAQ: AAPL - News) fiscal third quarter that ended last month, with UBS seeing higher iPad sales than previously, and Citigroup posting higher-than-expected iPhone sales.Fun and informative, is a free investing website where you can track multiple stock portfolios and compare against 250 proprietary Indexes tracking themes from dividends to ETFs to green energy to precious metals. Best of all, lets you spy on the portfolios of nearly 3,000 Wall Street institutions and hedge funds and see graphs of their performance. Try today and find out how you stack up against investing legends like Warren Buffett!