Baidu (BIDU +4.5%) surges following a report from Sina Tech that Apple (NASDAQ:AAPL) plans to add Baidu as a search option for Chinese users in a pending iOS update, though Google (NASDAQ:GOOG) will remain the default choice. Given Baidu's dominant share of Chinese search, such a move seems like a no-brainer. The report comes shortly after a much-discussed Tim Cook visit to China. (more on Baidu: I, II)