Unusual Volume for NASDAQ Stocks

Seeing today's unusual volume on a stock is like seeing people standing in line overnight to buy the latest and greatest gadget or must-have item. Unusual volume tells you something important is going on with a stock, and you should pay attention.
Symbol Company Last Sale Price Change Net / % Share Volume Volume % Change
Aviv REIT, Inc. $ 33.73 3.63  ▲ 12.06% 5,108,448 1706%
Universal Corporation $ 44.50 1.49  ▲ 3.46% 3,268,033 1155%
RealPage, Inc. RealPage, Inc. $ 19.87 1.77  ▲ 9.78% 3,425,477 925%
WisdomTree Investments, Inc. WisdomTree Investments, Inc. $ 14.75 3.04  ▲ 25.96% 20,030,424 785%
Imperva, Inc. $ 40.97 8.49  ▲ 26.14% 3,001,680 578%
Barrett Business Services, Inc. Barrett Business Services, Inc. $ 23.51 2.77  ▲ 13.36% 1,706,756 554%
Mercer International Inc. $ 12.58 .82  ▲ 6.97% 911,510 539%
Zendesk, Inc. $ 26 2.77  ▲ 11.92% 1,548,755 534%
Control4 Corporation Control4 Corporation $ 15.51 1.84  ▲ 13.46% 1,955,150 517%
CEVA, Inc. CEVA, Inc. $ 16.30 2.12  ▲ 14.95% 538,828 516%
MakeMyTrip Limited MakeMyTrip Limited $ 30.135 1.505  ▲ 5.26% 1,518,658 485%
Columbia Sportswear Company Columbia Sportswear Company $ 38.54 1.16  ▲ 3.10% 989,980 484%
GP Strategies Corporation $ 33.16 1.72  ▲ 5.47% 457,043 483%
Oplink Communications, Inc. Oplink Communications, Inc. $ 20.85 3.76  ▲ 22% 602,323 474%
Chemtura Corp. $ 23.29 .50  ▲ 2.19% 4,803,637 467%
ABIOMED, Inc. ABIOMED, Inc. $ 32.79 1.44  ▲ 4.59% 1,316,153 460%
Sabra Healthcare REIT, Inc. $ 28.57 .53  ▲ 1.89% 3,664,467 444%
MercadoLibre, Inc. MercadoLibre, Inc. $ 136.15 20.95  ▲ 18.19% 2,911,416 436%
Spansion Inc $ 20.58 4.05  ▲ 24.50% 8,747,639 430%
YRC Worldwide, Inc. YRC Worldwide, Inc. $ 21.44 3.24  ▲ 17.80% 3,501,511 428%
Wabash National Corporation $ 10.30 .81  ▲ 8.54% 3,317,938 416%
Omnicell, Inc. Omnicell, Inc. $ 32.31 2.20  ▲ 7.31% 822,772 395%
CubeSmart $ 21.05 .94  ▲ 4.67% 5,508,060 388%
CareTrust REIT, Inc. $ 15.53 .69  ▲ 4.65% 630,542 366%
MPLX LP $ 66.68 1.95  ▲ 3.01% 470,550 366%
Select a security's symbol for a quote summary.
As of 10/31/2014 4:15:00 PM