Tencent earnings, Coinbase's crypto futures, Tesla cuts prices: Top Stories

Chinese gaming and media conglomerate Tencent (TCEHY) reports weaker-than-expected revenue in its earnings. Coinbase (COIN) shares rise after receiving regulatory approval to offer U.S. retail customers crypto futures from the National Futures Association. Tesla (TSLA) cuts prices further for the Model S and Model X in Chinese markets. Yahoo Finance's Diane King Hall and Brad Smith break down the top stock stories this morning.