Gerdau S.A. (NYSE:GGB – Get Free Report) shares traded down 3.2% during trading on Monday . The stock traded as low as $4.29 and last traded at $4.30. 4,499,117 shares changed hands during mid-day trading, a decline of 20% from the average session volume of 5,625,580 shares. The stock had previously closed at $4.44. Analyst […]