Why Baidu's Margins Are Still A Concern By: Benzinga via Benzinga October 30, 2015 at 09:25 AM EDT Baidu Inc (ADR) (NASDAQ: BIDU) shares are down 26 percent year-to-date, despite having risen 23 percent since October ... Read More >> Related Stocks: Baidu.com SP ADR Ctrip.com Intl Ltd