TransAlta Renewables Inc. (OTCMKTS:TRSWF – Get Free Report) shares traded up 2.8% during mid-day trading on Tuesday . The stock traded as high as $9.21 and last traded at $9.15. 28,900 shares were traded during mid-day trading, an increase of 225% from the average session volume of 8,885 shares. The stock had previously closed at [...]