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

Aquasition Corp. : Approximately 99,200 shares changed hands, a 2,021.5 percent increase over its 65-day average volume. The shares fell $.09 or .9 percent to $10.21.

Brightcove Inc. : Approximately 7,111,200 shares changed hands, a 2,160.1 percent increase over its 65-day average volume. The shares fell $3.89 or 37.9 percent to $6.38.

CTI Industries Corp. : Approximately 20,900 shares changed hands, a 1,325.9 percent increase over its 65-day average volume. The shares rose $.03 or .6 percent to $4.48.

Carver Bancorp : Approximately 13,700 shares changed hands, a 1,761.2 percent increase over its 65-day average volume. The shares rose $.20 or 2.2 percent to $9.50.

Compressco Partners LP : Approximately 4,248,200 shares changed hands, a 24,365.8 percent increase over its 65-day average volume. The shares fell $.70 or 3.0 percent to $23.00.

DNB Financial Corp. : Approximately 22,300 shares changed hands, a 1,675.5 percent increase over its 65-day average volume. The shares remained unchanged at $21.05.

Manhattan Bridge Cap : Approximately 688,800 shares changed hands, a 2,152.8 percent increase over its 65-day average volume. The shares rose $.68 or 28.3 percent to $3.08.

New Century Bancorp Inc. : Approximately 47,200 shares changed hands, a 1,606.5 percent increase over its 65-day average volume. The shares rose $.15 or 2.3 percent to $6.76.

PSB Holdings Inc. : Approximately 46,200 shares changed hands, a 2,169.5 percent increase over its 65-day average volume. The shares rose $.05 or .8 percent to $6.70.

WPCS International Inc. : Approximately 8,658,100 shares changed hands, a 1,717.6 percent increase over its 65-day average volume. The shares rose $.28 or 41.0 percent to $.96.