Stocks Hitting 52-Week Lows

GNC Holdings Inc GNC shares touched a new 52-week low of $22.00. GNC reported better-than-expected Q2 results and announced that its CEO Mike Archbold is leaving the company. The company also suspended its earnings guidance for FY16.
Proto Labs Inc PRLB shares touched a new 52-week low of $51.09. Proto Labs reported Q2 adjusted earnings of $0.45 per share on sales of $75 million.
Infinera Corp. INFN shares touched a new 52-week low of $8.25. Infinera posted better-than-expected Q2 results, but issued a weak demand outlook. The company’s CEO said '...demand is softening in certain areas of our business and we face a difficult near-term revenue outlook.'
AirMedia Group Inc (ADR) AMCN shares fell 2.64 percent to reach a new 52-week low of $2.58. AirMedia Group shares have dipped 44.56 percent over the past 52 weeks, while the S&P 500 index has gained 3.50 percent in the same period.