Stocks Hitting 52-Week Lows

CVR Refining LP (NYSE: CVRR) shares fell 1.25 percent to touch a new 52-week low of $8.69. CVR Refining shares have dropped 53.49 percent over the past 52 weeks, while the S&P 500 index has slipped 1.20 percent in the same period.

Comtech Telecomm. Corp. (NASDAQ: CMTL) shares dropped 1.42 percent to touch a new 52-week low of $16.70. Comtech Telecomm shares have declined 42.36 percent over the past 52 weeks, while the S&P 500 index has dropped 1.20 percent in the same period.

Aimmune Therapeutics Inc (NASDAQ: AIMT) shares reached a new 52-week low of $12.27.

JD.Com Inc(ADR) (NASDAQ: JD) shares touched a new 52-week low of $20.23. JD.Com shares have declined 41.04 percent over the past 52 weeks, while the S&P 500 index has slipped 1.20 percent in the same period.