Shares of Kaiser Aluminum Corporation (NASDAQ:KALU – Get Free Report) gapped down before the market opened on Thursday following a weaker than expected earnings announcement. The stock had previously closed at $139.38, but opened at $123.01. Kaiser Aluminum shares last traded at $129.38, with a volume of 96,498 shares. Get Kaiser Aluminum alerts: The industrial products company reported $1.53 earnings per share for the quarter, missing the consensus estimate of $1.56 by ($0.03). Kaiser Aluminum had a retur ...