Sep 23, 2011 (SmarTrend(R) News Watch via COMTEX) -- Below are the top five companies in the Aluminum industry as measured by relative performance. This analysis was compiled based on yesterday's trading activity as we search for stocks that have the potential to outperform.

Alumina (NYSE:AWC - Snapshot Report) ranks first with a loss of 5.52%; Century Aluminum (NASDAQ:CENX - Snapshot Report) ranks second with a loss of 6.69%; and Alcoa (NYSE:AA - Analyst Report) ranks third with a loss of 6.73%.

Aluminum of China (NYSE:ACH - Analyst Report) follows with a loss of 8.86% and Noranda Aluminum (NYSE:NOR - Snapshot Report) rounds out the top five with a loss of 11.98%.

SmarTrend currently has shares of Aluminum of China in an Downtrend and issued the Downtrend alert on August 05, 2011 at $18.80. The stock has fallen 38.7% since the Downtrend alert was issued.