- Baidu beat Wall Street's revenue estimates for its fourth fiscal quarter.
- Shares of the Chinese search giant jumped in pre-market trading but tumbled as the market opened.
- The company revealed more details about its artificial intelligence chatbot.
Baidu posted upbeat fourth-quarter earnings results this week, briefly sending shares of the company up 7% in pre-market trading on Thursday.
Shares pared gains though, tumbling 4% shortly after the opening bell to around $135.07.