China’s leading e-cigarette flavor maker, Huabao International Holdings, announced on Jan. 24 that its chief executive officer and chairwoman, Chu Lam Yiu, is under investigation for “suspected disciplinary violations.” Huabao—a leading flavors maker for tobacco, e-cigarette, and condiments—is listed on the Hong Kong Stock Exchange. Its share price plummeted over 65 percent on Monday. The…