A pair of runners go past the world headquarters of Alcoa in Pittsburgh, Wednesday, Oct. 7, 2009. Alcoa is expected to release thrid quarter earnings after the market close Wednesday. AP Photo logo AP Photo 28 months ago

A pair of runners go past the world headquarters of Alcoa in Pittsburgh, Wednesday, Oct. 7, 2009. Alcoa is expected to release thrid quarter earnings after the market close Wednesday.