Stocks Hitting 52-Week Lows

shares fell 21.01 percent to touch a new 52-week low of $10.49. Rent-A-Center reported upbeat quarterly earnings, but the company's sales missed analysts' estimates.

shares dropped 64.77 percent to reach a new 52-week low of $0.870 after the company announced top-line results from a Phase 3 trial, COR1.1.

shares fell 21.63 percent to touch a new 52-week low of $35.08. Plantronics reported better-than-expected third-quarter earnings, but the company's revenue missed analysts' expectations. The company announced a new 1 million share buyback plan and issued a weak earnings forecast for the fourth quarter.

shares touched a new 52-week low of $17.30 after the company reported downbeat Q4 earnings.