$GGB is one of biggest winner #stocks today. read more:

Gerdau S.A. (symbol: GGB) was one of the biggest winners of the trading day
today (2016-03-31), gaining 9.64%. The number of shares that changed hands
was 27,243,926, or about 4.1 times the average daily volume in the stock.
The closing price was $1.82, amounting to a market cap of $3,070,000,000,
about -50.81% off the highest price in the last 12 months. The stock has
been trading at a range between $0.79 and $3.7.
GGB is in the Steel/Iron Ore industry, part of the Capital Goods sector.