Enphase Energy (NASDAQ:ENPH) just picked up another sell-side endorsement. Goldman Sachs raised its price target on Enphase Energy to $57 from $51 and maintained a Buy rating on the shares. The modest bump reinforces a residential solar trade that has been gaining traction since mid-May. The price target raise lands with Enphase stock trading around ... Goldman Sachs Lifts Enphase Price Target to $57: Is the Residential Solar Trade Back On?