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

Alcoa Inc. (symbol: AA) was one of the biggest winners of the trading day
today (2016-02-22), gaining 13.21%. The number of shares that changed hands
was 54,984,643, or about 1.6 times the average daily volume in the stock.
The closing price was $8.91, amounting to a market cap of $11,670,000,000,
about -43.54% off the highest price in the last 12 months. The stock has
been trading at a range between $6.14 and $15.78.
AA is in the Metal Fabrications industry, part of the Capital Goods sector.