Bank of America upgraded shares of Gerdau SA (NYSE:GGB) from a neutral rating to a buy rating in a report issued on Thursday, TheFlyOnTheWall.com reports. Gerdau S.A. (NYSE:GGB) belongs to Basic Materials sector. Its net profit margin is 3.50% and weekly performance is -3.93%. On last trading day company shares ended up $3.42. Gerdau S.A. (NYSE:GGB) distance from 50-day simple moving average (SMA50) is -14.82%. … Continue reading Stocks Getting Hot: Gerdau S.A. (NYSE:GGB), Marathon Oil Corporation (NYSE:MRO), Harbinger Group Inc. (NYSE:HRG), The Boeing Company (NYSE:BA), HollyFrontier Corporation (NYSE:HFC)