Gerdau (GGB) shares were up 4.9% in Wednesday's afternoon trading after Itau BBA upgraded the stock to outperform from market perform, and adjusted its price target to $4.60 from $4.70.
Trading volume stood at over 20.6 million shares, versus the daily average of more than 20.1 million.
Price: 3.79, Change: +0.18, Percent Change: +4.85