May 16 (FAP)-Baidu shares rose 3.3% in pre-market trading in the United States, with revenue of 31.1 billion yuan in the first quarter, up 10% from a year earlier.

May 16 (FAP)-Baidu shares rose 3.3% in pre-market trading in the United States, with revenue of 31.1 billion yuan in the first quarter, up 10% from a year earlier.