Stocks Hitting 52-Week Lows

Mattress Firm Holding Corp MFRM shares touched a new 52-week low of $27.76 as the company reported a wider-than-expected loss for its first quarter and lowered its annual outlook. 21Vianet Group Inc VNET shares touched a new 52-week low of $12.46. 21Vianet Group shares have dropped 39.15 percent over the past 52 weeks, while the S&P 500 index has increased 1.02 percent in the same period. Western Refining, Inc. WNR shares reached a new 52-week low of $20.51. JP Morgan downgraded Western Refining from Neutral to Underweight. Credit Suisse Group AG (ADR) CS shares fell 3.77 percent to touch a new 52-week low of $12.51. Credit Suisse shares have declined 53.52 percent over the past 52 weeks, while the S&P 500 index has gained 1.02 percent in the same period.