真的要动动脑筋了！
。。。。。。。。。。。
Alcoa /quotes/zigman/246295/quotes/nls/aa AA -5.05% shares, part of the Dow Jones Industrial Average /quotes/zigman/627449/delayed DJIA -0.15% , closed up 2.1% before dropping 5% after the report hit in extended trading.
Alcoa posted a profit of $172 million, or 15 cents a share, up from $61 million, or 6 cents a share, a year ago.
Sales rose to $6.42 billion from $5.29 billion a year earlier.
Analysts polled by FactSet Research were looking for earnings, on average, of 22 cents a share, with sales of $6.24 billion.
------------------------------------------------------------------------------
