Alibaba Group Holding Limited (NYSE:BABA) stock traded lower as China's economy growth lagged market expectations and Wall Street banks reduced their targets. China's GDP grew at an annual pace of 6.3% last quarter, trailing the consensus forecast of a 7.1% gain. Analysts do not expect the GDP data to prompt Beijing to step up stimulus measures. Morgan Stanley, JPMorgan Chase, and Citigroup trimmed their growth forecasts for China's GDP this year to 5%.