A look at the 10 biggest volume gainers on New York Stock Exchange at the close of trading:

BRT Realty Trust : Approximately 355,300 shares changed hands, a 5,005.0 percent increase over its 65-day average volume. The shares rose $.01 or .1 percent to $7.22.

Blackrock Municipal 2020 Term Trust : Approximately 213,800 shares changed hands, a 584.2 percent increase over its 65-day average volume. The shares fell $.03 or .2 percent to $16.50.

Colum Sel LgCapVal : Approximately 4,500 shares changed hands, a 737.8 percent increase over its 65-day average volume. The shares rose $.20 or .4 percent to $45.35.

Juniper Networks Inc. : Approximately 38,633,200 shares changed hands, a 509.1 percent increase over its 65-day average volume. The shares fell $2.39 or 9.6 percent to $22.43.

Pacific Coast Oil Trust : Approximately 3,439,800 shares changed hands, a 918.2 percent increase over its 65-day average volume. The shares fell $1.15 or 10.3 percent to $10.05.

Puma Biotechnology Inc. : Approximately 7,139,300 shares changed hands, a 1,590.1 percent increase over its 65-day average volume. The shares rose $174.40 or 295.4 percent to $233.43.

Talisman Energy Inc. : Approximately 36,503,400 shares changed hands, a 1,022.4 percent increase over its 65-day average volume. The shares rose $1.32 or 13.4 percent to $11.17.

Tupperware Brands Corp. : Approximately 3,311,900 shares changed hands, a 784.1 percent increase over its 65-day average volume. The shares fell $8.96 or 10.6 percent to $75.78.

Unisys Corp. : Approximately 6,262,800 shares changed hands, a 1,037.2 percent increase over its 65-day average volume. The shares fell $5.29 or 20.9 percent to $20.07.

Verso Paper Corp. : Approximately 1,229,400 shares changed hands, a 684.6 percent increase over its 65-day average volume. The shares rose $.09 or 3.5 percent to $2.64.