Aug 14 (Reuters) - The following are the top stories in the Wall Street Journal. Reuters has not verified these stories and does not vouch for their accuracy. Data from Onavo's app has been crucial to helping Facebook track rivals and scope out new product categories. on.wsj.com/2vAAiHJ- Alibaba Group Holding Ltd predicts its revenue will increase almost 50 percent this fiscal year on the backs of China's swelling ranks of middle-class consumers. Its shares listed on the New York Stock Exchange have risen 80 percent since the beginning of the year.

Source: Wall Street Journal August 14, 2017 04:30 UTC