Chinese search-engine giant Baidu Inc. is facing more turmoil in its top ranks, with President Qi Lu planning to relinquish his operational roles after about 18 months on the job.
Baidu had been betting on Mr. Lu to help it move beyond its roots as a search engine into self-driving cars and other businesses driven by artificial intelligence. A former top executive with Microsoft Corp., Mr. Lu was hired with much fanfare in January 2017, taking over day-to-day leadership from Baidu Chairman Robin Li.
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