Stocks Hitting 52-Week Lows

Rennova Health Inc (NASDAQ: RNVA) shares reached a new 52-week low of $1.357. Rennova Health shares have dipped 75.44 percent over the past 52 weeks, while the S&P 500 index has declined 1.15 percent in the same period.

Zynerba Pharmaceuticals Inc (NASDAQ: ZYNE) shares fell 3.02 percent to touch a new 52-week low of $10.29. Zynerba Pharmaceuticals' trailing-twelve-month ROE is -35.46 percent

SK Telecom Co Ltd (ADR) (NYSE: SKM) shares fell 4.27 percent to touch a new 52-week low of $20.63. SK Telecom's trailing-twelve-month operating margin is 9.84 percent.