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

Allegheny Technologies Incorporated (symbol: ATI) was one of the biggest
winners of the trading day today (2016-02-12), gaining 13.29%. The number
of shares that changed hands was 3,208,940, or about 1.1 times the average
daily volume in the stock.
The closing price was $10.74, amounting to a market cap of $1,170,000,000,
about -71.56% off the highest price in the last 12 months. The stock has
been trading at a range between $7.08 and $37.76.
ATI is in the Steel/Iron Ore industry, part of the Basic Industries sector.