Afternoon Market Losers
Kandi Technologies (NASDAQ: KNDI) dropped 14.84 percent to $6.60 but shares jumped 185.98 percent over the last 52 weeks.
Celsion (NASDAQ: CLSN) plunged 13.21 percent to $1.38 with a 12 month ROE of -79.88 percent.
SemiLEDs (NASDAQ: LEDS) traded down 9.18 percent to $1.78 after a morning of heavy trading.
GenMark Diagnostics (NASDAQ: GNMK) tumbled 8.20 percent to $12.09 on news that Natural Molecular launched a competing product.
ZIOPHARM Oncology (NASDAQ: ZIOP) dropped 8.37 percent to $2.08. Shares of the company dropped 49 percent over the past 52 weeks, while the S&P 500 Index gained over 23 percent.
Biogen Idec (NASDAQ: BIIB) shares declined 6.82 percent to $207.84 after Citigroup downgraded the company to Neutral rating.
Ambit Biosciences (NASDAQ: AMBI) traded down 7.42 percent to $7.49.
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