Baidu (BIDU -2.3%) slides to $92 following news of Alibaba's search engine and a couple of...

|By:, SA News Editor

Baidu (BIDU -2.3%) slides to $92 following news of Alibaba's search engine and a couple of critical sell-side notes. Goldman has removed Baidu from its Sustain China list, and is once more raising concerns about mobile's impact on ad sales (previous). Citi is also worried about mobile - the firm estimates mobile search ad click-through rates are 1/10 of PC levels - and is refuting fresh reports of Baidu acquiring a controlling stake in top Chinese mobile browser maker UCweb (previous).