Aluminium giant Alcoa reported earnings per share of $US0.18 on revenue of $US5.84 billion.
Analysts were expecting earnings per share of $US0.12 on revenue of $US5.66 billion.
Following the results, shares of Alcoa were up better than 2.5% in after hours trade.
The company also reaffirmed its 2014 outlook for global aluminium demand growth of 7%.
Alcoa also increased its 2014 estimate for the North America commercial transportation market to a range of 10% to 14%, from a previous range of 5% to 9% in the first quarter. The higher estimate is based in part on rising truck orders and backlogs.
Alcoa said all of its business segments were profitable during the quarter.