Morning Market Losers

Ariad Pharmaceuticals ARIA plummeted 72.81% to $4.66 after the company reported that it is pausing patient enrollment in studies of Iclusig. K12 LRN dropped 36.45% to $18.17 on lower outlook. BMO Capital downgraded the stock from Outperform to Market Perform. Pretium Resources PVG dropped 22.59% to $5.24. shares have dropped 49.78% over the past 52 weeks, while the S&P 500 index has gained 15.56% in the same period. CytRx CYTR dropped 18.07% to $2.2450 after the company priced its underwritten public offering of 10.0 million shares of common stock at a price of $2.25 per share.