NEW YORK ( TheStreet) -- Shares of Century Aluminum Company (Nasdaq: CENX) have taken a tremendous swing upward. The stock is trading at $11.83 as of 2:45 p.m. ET, 20.1% above Wednesday's closing price of $9.85. Volume is at 2.6 million, 1.4 times the daily average of 1.9 million. Century Aluminum has a market cap of $947.1 million and is part of the basic materials sector and metals & mining industry. Shares are down 36.6% year to date as of the close of trading on Wednesday. Century Aluminum Company, through its subsidiaries, produces primary aluminum in the United States, Iceland, and internationally. The company offers molten aluminum, as well as standard-grade ingot, extrusion billet, and other value-added primary aluminum products. The company has a P/E ratio of 9.5, below the average metals & mining industry P/E ratio of 10.6 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Century Aluminum as a hold. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth in net income and robust revenue growth. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, weak operating cash flow and poor profit margins. You can view the full Century Aluminum Ratings Report. See our top % gaining stocks list for other stocks that are soaring today, or get investment ideas from our investment research center. Interested in other stocks that are soaring? Get free SMS text alerts sent to you when the action happens by texting SOAR to 95370 or select from multiple alert options.