Sina Corp. (SINA) Shares Spike as Co.’s Profit More Than Triples

Shares of Chinese Internet company Sina Corp. (SINA) surged more than 12 percent on Thursday, their highest level since May, after the company’s second-quarter earnings tripled. Sina, which operates China’s Twitter-like microblogging site Weibo, reported a net profit of $33.2 million, or $0.49 per share, from $10 million, or $0.15 per share, a year earlier. [...]