$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 (2016-09-02), gaining 8.99%. The number of shares that
changed hands was 5,190,755, or about 2.4 times the average daily volume in
the stock.
The closing price was $2.91, amounting to a market cap of $3,950,000,000,
about -25.77% off the highest price in the last 12 months. The stock has
been trading at a range between $0.73 and $3.92.
SID is in the Steel/Iron Ore industry, part of the Capital Goods sector.
Looking at its valuation, the stock is now trading at 21.88 times earnings.