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

National Steel Company (symbol: SID) was one of the biggest winners of the
trading day today (2015-08-26), gaining 16.16%. The number of shares that
changed hands was 2,162,320, or about 1.0 times the average daily volume in
the stock.
The closing price was $0.89, amounting to a market cap of $1,210,000,000,
about -81.02% off the highest price in the last 12 months. The stock has
been trading at a range between $0.73 and $4.69.
SID is in the Steel/Iron Ore industry, part of the Capital Goods sector.