Volatility is back for Chinese ADRs as well. The number of oversold and overbought China stocks listed on American stock exchanges is on the rise as the following indicators testify. Significant earnings from last night include Sina Corp. (NASDAQ:SINA), Home Inns & Hotel Mgmt. (NASDAQ:HMIN) and eLong Inc. (NASDAQ:LONG). China Medical (NASDAQ:CMED) and Suntech Power (NYSE:STP) reported before the open. Canadian Solar (NASDAQ:CSIQ) reported earlier the week and as more earnings roll out the Chinese solar sector is gaining its shine back. Shares of STP are trading 6% higher before the open.