Alcoa reported quarterly earnings that beat analysts' expectations on Tuesday, but revenue narrowly missed estimates.
After the earnings announcement, the company's shares rose more than 2 percent in extended-hours trading. (Click here to get the latest quotes for Alcoa.)
The company posted first-quarter earnings of 9 per share, down from 11 cents a share in the year-earlier period. Revenue decreased to $5.45 billion, from $5.83 billion a year ago.
Analysts had expected Alcoa to report earnings of 5 cents a share on $5.55 billion in revenue, according to a consensus estimate from Thomson Reuters.