Sleep Number (SNBR) shares soared 19.1% in the last trading session to close at $10.28. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 28.6% loss over the past four weeks. The stock might have got a boost on the expectation of potential interest rate cut in September, per the CME FedWatch tool. This seller of beds, mattresses and bedding products is expected to post quarterly loss of $0.44 per share in its upcoming report, which ...