The S&P 500 (NYSEARCA:SPY) is down by 0.22% today and stands at 1,313. Here are three notable stocks that are experiencing large declines today.

Zions Bancorporation (NASDAQ:ZION) 4Q report was disappointing, primarily because loan volume is so sluggish. CEO Harris Simmons says that stabilizing loan prices will improve results for the company in 2012. Zion is down 7.39%. ZION shares recently traded at $17.08, down $1.47, or 7.92%. They have traded in a 52-week range of $13.18 to $25.60. Volume today was 6,835,305 shares versus a 3-month average volume of 3,482,470 shares. The company’s trailing earnings are $-0.01 per share.

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Alpha Natural Resources (NYSE:ANR): Peabody Energy (NYSE:BTU) readjusted their results, and it has sent the entire energy sector down. A recent Motley Fool article pointed out that while 2011 was a miserable year for this coal giant, ANR is uniquely positioned to price coal for the ever-increasing consumption of electricity and steel in China and India. ANR shares recently traded at $19.86, down $0.9, or 4.34%. They have traded in a 52-week range of $15.49 to $61.66. Volume today was 6,236,644 shares versus a 3-month average volume of 9,212,680 shares. The company’s trailing P/E is 41.64, while trailing earnings are $0.48 per share.

CSX (NYSE:CSX) Q4 report came in at the end of trading yesterday, and the market has responded with a sharp drop at the beginning of trading. Revenue is flat, and more ominously, margins turned negative for the first time since 2009. CSX shares recently traded at $21.84, down $0.85, or 3.75%. They have traded in a 52-week range of $17.69 to $27.06. Volume today was 13,794,258 shares versus a 3-month average volume of 8,861,660 shares. The company’s trailing P/E is 13.45, while trailing earnings are $1.62 per share.

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