Benzinga's Volume Movers

DealerTrack Technologies Inc (NASDAQ: TRAK) shares climbed 57.52 percent to $62.77. The volume of DealerTrack shares traded was 8543 percent higher than normal. DealerTrack agreed to be acquired for $4 billion, or $63.25 per share by Cox Automotive in an all-cash transaction.

Ryland Group Inc (NYSE: RYL) surged 5.68 percent to $45.22. The volume of Ryland Group shares traded 419 percent higher than normal. Standard Pacific Corp. (NYSE: SPF) and Ryland Group agreed to merge in an all-stock transaction.

Ardelyx Inc (NASDAQ: ARDX) shares moved up 11.13 percent to $16.27. The volume of Ardelyx traded was 346 percent higher than normal. Ardelyx's trailing-twelve-month revenue is $28.96 million.

Papa Murphy's Holdings Inc (NASDAQ: FRSH) shares rose 5.28 percent to $20.72. The volume of Papa Murphy's shares traded was 182 percent higher than normal. Papa Murphy's shares have jumped 114.61 percent over the past 52 weeks, while the S&P 500 index has surged 8.07 percent in the same period.

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