Image Source: Zacks Investment Research Zacks Recommendation Upgrade Drives Teekay Tankers, Target Hospitality Higher Shares of Teekay Tankers Ltd. TNK and Target Hospitality Corp. TH have gained 70.6% and 27.1%, respectively, since both of their Zacks Recommendation was upgraded to Outperform on July 13. Teekay Tankers Ltd. (TNK): Free Stock Analysis Report U.S. stocks took a beating following the Federal Reserve’s resolve to continue increasing interest rates to curb a stubborn rise in inflation.