Benzinga's Top #PreMarket Losers

shares dipped 14.80 percent to $9.50 following release responding to market rumors: Fund is 'trying to unlawfully profit by manipulating, depressing price...'

fell 6.94 percent to $5.90 in pre-market trading. Ariad Pharma lowered its 2015 Iclusig revenue forecast to $110 million to $115 million.

shares fell 3.85 percent to $65.76 in pre-market trading after the company reported weaker-than-expected earnings for its fiscal fourth quarter and issued a downbeat forecast for the current quarter.

shares tumbled 3.83 percent to $8.78 in pre-market trading after the company reported a 1.1 million share offering of common stock.

shares dipped 3.61 percent to $9.60 in pre-market trading. Bank of America downgraded Staples from Buy to Underperform.