Warren Buffett knows how to pick stocks, but can he pick suits too? Now that he’s started to wear suits made by Dalian Dayang Trands, a Chinese firm, Chinese investors are flocking to the manufacturer. Shares in the firm, listed in Shanghai, jumped 229 percent in the past few days after Buffett disclosed he owns—and “loves”—nine Trands suits. But the question remains whether Buffett will personally invest. He visited the company two years ago.