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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Charter Financial Corp. : Approximately 1,199,900 shares changed hands, a 1,363.5 percent increase over its 65-day average volume. The shares rose $.04 or .4 percent to $10.90.

Chembio Diagnostics Inc. : Approximately 303,500 shares changed hands, a 712.1 percent increase over its 65-day average volume. The shares fell $.78 or 16.8 percent to $3.85.

Denny's Corp. : Approximately 5,660,400 shares changed hands, a 1,265.3 percent increase over its 65-day average volume. The shares rose $.37 or 5.0 percent to $7.83.

Exactech Inc. : Approximately 307,500 shares changed hands, a 707.0 percent increase over its 65-day average volume. The shares fell $4.09 or 16.6 percent to $20.50.

Lakeland Industries Inc. : Approximately 14,532,800 shares changed hands, a 713.7 percent increase over its 65-day average volume. The shares fell $7.57 or 26.1 percent to $21.43.

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National Security Group : Approximately 19,000 shares changed hands, a 660.7 percent increase over its 65-day average volume. The shares fell $1.08 or 7.7 percent to $12.90.

NetScout Systems Inc. : Approximately 2,049,600 shares changed hands, a 776.5 percent increase over its 65-day average volume. The shares fell $5.64 or 14.4 percent to $33.52.

Premier Exhibitions : Approximately 571,900 shares changed hands, a 613.9 percent increase over its 65-day average volume. The shares rose $.08 or 12.0 percent to $.73.

Sharps Compliance : Approximately 946,000 shares changed hands, a 889.3 percent increase over its 65-day average volume. The shares fell $.55 or 9.9 percent to $5.00.

Unwired Planet Inc. : Approximately 2,695,100 shares changed hands, a 780.0 percent increase over its 65-day average volume. The shares fell $.04 or 2.4 percent to $1.64.