Shares of aluminum-maker Alcoa (NYSE: AA [FREE Stock Trend Analysis]) traded higher in Tuesday's after hours after the company released its fiscal fourth-quarter earnings results. Shares climbed around 1.10 percent to trade at $9.20.

The company reported net income attributable to common shareholders of $242 million or $0.21 per share, compared to a loss of $191 million or $0.18 per share, in the year ago period.

On an adjusted basis, net income was $64 million or $0.06 per share. This was in-line with analysts' consensus EPS estimates of $0.06.

Sales in the period were $5.90 billion, versus the $5.99 billion in sales Alcoa reported last year. This easily beat analysts' consensus revenue estimates of $5.60 billion.

Alcoa said that it sees global aluminum demand growing by around 7 percent in 2013, up from 6 percent in 2012.

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