Top 10 Nasdaq-traded stocks posting largest volume increases

Markets Associated Press

A look at the 10 biggest volume gainers on Nasdaq at the close of trading:

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Alcobra Ltd. : Approximately 4,281,100 shares changed hands, a 1,729.1 percent increase over its 65-day average volume. The shares fell $7.99 or 56.6 percent to $6.12.

Apco Oil & Gas International Inc. : Approximately 776,200 shares changed hands, a 1,744.2 percent increase over its 65-day average volume. The shares rose $.02 or .1 percent to $14.32.

Biocept Inc. : Approximately 279,100 shares changed hands, a 1,905.6 percent increase over its 65-day average volume. The shares rose $.78 or 23.8 percent to $4.08.

Chimerix Inc. : Approximately 6,599,400 shares changed hands, a 1,765.5 percent increase over its 65-day average volume. The shares rose $1.41 or 4.7 percent to $31.47.

Durata Therapeutics Inc. : Approximately 7,739,000 shares changed hands, a 2,207.8 percent increase over its 65-day average volume. The shares rose $10.36 or 74.6 percent to $24.24.

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Eltek Ltd. : Approximately 1,319,500 shares changed hands, a 3,060.2 percent increase over its 65-day average volume. The shares fell $.01 or .7 percent to $1.50.

GT Advanced Technologies Inc. : Approximately 179,133,400 shares changed hands, a 1,472.6 percent increase over its 65-day average volume. The shares fell $10.25 or 92.8 percent to $.80.

Lakeland Industries Inc. : Approximately 2,960,100 shares changed hands, a 1,061.6 percent increase over its 65-day average volume. The shares rose $.11 or 1.3 percent to $8.81.

Sunesis Pharmaceuticals Inc. : Approximately 29,450,900 shares changed hands, a 2,987.3 percent increase over its 65-day average volume. The shares fell $5.18 or 78.0 percent to $1.46.

Sutron Corp. : Approximately 44,200 shares changed hands, a 1,013.3 percent increase over its 65-day average volume. The shares fell $.02 or .3 percent to $5.15.