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
Nuveen Long/Short Commodity Total Return Fund $ 16.39 2.01  ▲ 13.98% 1,475,706 1379%
Aratana Therapeutics, Inc. Aratana Therapeutics, Inc. $ 16.43 3.36  ▲ 25.71% 2,907,075 1212%
Nuveen Diversified Commodity Fund $ 12.91 1.31  ▲ 11.29% 790,257 1152%
The Herzfeld Caribbean Basin Fund, Inc. $ 11.67 2.47  ▲ 26.85% 7,835,221 1130%
Foundation Medicine, Inc. Foundation Medicine, Inc. $ 24.07 1.89  ▲ 8.52% 2,664,049 1083%
Sesa Sterlite Limited $ 13.92 .73  ▲ 5.53% 1,709,923 871%
Ally Financial Inc. $ 23.26 .51  ▲ 2.24% 37,140,325 838%
Zafgen, Inc. Zafgen, Inc. $ 25.84 1.69  ▲ 7% 674,297 812%
Spok Holdings, Inc. Spok Holdings, Inc. $ 17.17 .52  ▲ 3.12% 560,422 748%
PrivateBancorp, Inc. PrivateBancorp, Inc. $ 33.26 .52  ▲ 1.59% 4,512,887 739%
Flamel Technologies S.A. Flamel Technologies S.A. $ 18.89 2.44  ▲ 14.83% 2,151,279 689%
Theravance Biopharma, Inc. Theravance Biopharma, Inc. $ 14.03 .66  ▲ 4.94% 1,788,010 675%
Teekay Offshore Partners L.P. $ 26.80 2.94  ▲ 12.32% 1,594,597 662%
Versartis, Inc. Versartis, Inc. $ 19.89 .775  ▲ 4.05% 688,944 598%
Civitas Solutions, Inc. $ 16.30 1.24  ▲ 8.23% 1,345,961 577%
Ultragenyx Pharmaceutical Inc. Ultragenyx Pharmaceutical Inc. $ 48.38 1.73  ▲ 3.71% 1,487,719 558%
Avalanche Biotechnologies, Inc. $ 51.56 1.20  ▲ 2.38% 765,227 546%
General Communication, Inc. General Communication, Inc. $ 13.50 .55  ▲ 4.25% 943,797 517%
Red Hat, Inc. $ 68.04 6.54  ▲ 10.63% 10,480,705 497%
Twenty-First Century Fox, Inc. Twenty-First Century Fox, Inc. $ 37.055 .655  ▲ 1.80% 23,317,509 467%
Enanta Pharmaceuticals, Inc. Enanta Pharmaceuticals, Inc. $ 46.62 1.74  ▲ 3.88% 1,856,033 442%
Pier 1 Imports, Inc. $ 15.18 1.28  ▲ 9.21% 12,685,752 432%
National Health Investors, Inc. $ 68.73 .87  ▲ 1.28% 948,877 429%
Varonis Systems, Inc. Varonis Systems, Inc. $ 30.17 2.31  ▲ 8.29% 941,347 427%
Alexander & Baldwin Holdings, Inc. $ 40.50 2.08  ▲ 5.41% 994,121 418%
Select a security's symbol for a quote summary.
As of 12/19/2014 4:15:00 PM