Stocks Hitting 52-Week Highs By: Benzinga via Benzinga May 21, 2014 at 10:20 AM EDT Questcor Pharmaceuticals (NASDAQ: QCOR) shares reached a new 52-week high of $93.20. Questcor's PEG ratio is 0.46. Tiffany & Co ... Read More >> Related Stocks: Interpublic GroupCompanies Tiffany & Co Williams Companies