Stocks Hitting 52-Week Lows By: Benzinga via Benzinga July 21, 2014 at 10:24 AM EDT Arch Coal (NYSE: ACI) shares reached a new 52-week low of $3.09. Arch Coal's PEG ratio is -0.33. American Vanguard (NYSE: AVD) shares ... Read More >> Related Stocks: American Vanguard Corp Beacon Roofing Suppl SP Plus Corp