GFL Environmental Inc. (GFL) shares soared 10.4% in the last trading session to close at $34.73. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 4% loss over the past four weeks.The rise in GFL's stock price was fueled by reports indicating that the company might be attracting buyout interest from a group of private equity sponsors. This company is expected to post quarterly earnings of $0.24 per share in its upcoming report, whi ...