Some traders bet that upside is over for Best Buy

Shares of Best Buy (NYSE: BBY) soared more than 20 percent last week, after the consumer electronics retailer beat earnings estimates and raised guidance for the year. But now some traders appear to be betting that the gains are over. On Monday, one trader sold 5,000 September 36 call options for $1.05. This implies an expectation that Best Buy shares will be below $37.05 at September ...