Diamond Foods (DMDN) sees and an afternoon spike to $22.2 and is now up 93 cents to $21.64 on increasing volume of 644K shares. Options action is picking up as well. 5,440 calls and 1,280 puts traded on DMND so (register to read more …) [...]

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Protalix BioTherapeutics (PLX) is up 81 cents to $7 in active trading of more than 10 million shares and implied volatility in the options on the biotech is down sharply after the FDA approved an orphan drug for treating Gaucher (register to read more …) [...]

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Implied volatility in the options on MagicJack (CALL) is moving to new 52-week highs today. The stock is down 22 cents to $24.41 in active trading of 373K shares. Meanwhile, 3,440 puts and 1,205 calls traded in the name. May (register to read more …) [...]

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Sequenom (SQNM) adds 35 cents to $5.03 on heavy volume of 4 million shares and options order flow on the biotech is bullish Friday, with 4,300 calls and 400 puts traded so far — a ratio of more than ten-to-one. (register to read more …) [...]

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Pandora (P) is up 48 cents to $8.54 in active trading of 1.8 million shares and implied volatility in the options on the stock is up sharply amid increasing call activity today. Total volume is about 12,000 calls and 4,000 (register to read more …) [...]

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Shutterfly (SFLY) adds $1.20 to $30.26, but one strategist doesn’t expect the gains to hold, as a May 25 – 30 put spread is bought on the Redwood City, CA social networking company for $1.75, 2000X on ISE. Data from (register to read more …) [...]

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Sodastream (SODA) is bubbling $1.41 higher to $36 in active trading of 1 million shares. Options volume on the stock is 2.5X the daily average, with 9,300 calls and 1,035 puts traded so far. The flow has been in smaller (register to read more …) [...]

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MIPS Technologies (MIPS) sees a spike to $6.35 and is up 93 cents to $6.14 on heavy volume of 3.3 million shares on reports the Sunnyvale, CA memory chip-maker has hired Goldman to find a buyer. Options action is heating (register to read more …) [...]

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MEMC (WFR) saw a morning rally off of 52-week lows and is up 34 cents to $3.68 in active trading of 13 million shares, which is more than double the usual. Options volume on the silicon wafer-maker is also 2.5X (register to read more …) [...]

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Bullish flow is again detected in E Commerce China Dangdang (DANG), with 10232 calls trading, or 2x the recent avg daily call volume in the name. Shares are up $1.15 to $10.88 and activity is scattered across a variety of (register to read more …) [...]

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