The 'thousands' of unlicensed medical and pharmaceutical customers removed from Baidu.com's...

|By:, SA News Editor

The 'thousands' of unlicensed medical and pharmaceutical customers removed from Baidu.com's (BIDU -8%) search-ad program may be just the 'tip of the iceberg,' Citigroup says, as other 'suspect' categories come under scrutiny. Downgrades to Sell from Buy.