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
Compuware Corporation Compuware Corporation $ 10.535 1.185  ▲ 12.67% 47,546,032 2633%
Digital Ally, Inc. Digital Ally, Inc. $ 30.23 11.57  ▲ 62% 18,012,435 715%
Norwegian Cruise Line Holdings Ltd. Norwegian Cruise Line Holdings Ltd. $ 37.08 3.77  ▲ 11.32% 5,512,621 553%
ACADIA Pharmaceuticals Inc. ACADIA Pharmaceuticals Inc. $ 26.80 2.82  ▲ 11.76% 5,255,775 526%
Identiv, Inc. Identiv, Inc. $ 18.28 1.19  ▲ 6.96% 388,296 446%
Amira Nature Foods Ltd $ 18.145 .925  ▲ 5.37% 810,358 365%
Tim Hortons Inc. $ 81.53 1.09  ▲ 1.36% 2,310,588 358%
Splunk Inc. Splunk Inc. $ 58.80 4.874  ▲ 9.04% 10,171,040 344%
Novartis AG $ 93.655 3.815  ▲ 4.25% 5,012,747 332%
Staples, Inc. Staples, Inc. $ 12.78 1.10  ▲ 9.42% 28,134,203 292%
Autohome Inc. $ 49.25 1.66  ▲ 3.49% 1,846,595 266%
Morgan Stanley China A Share Fund Inc. $ 24.87 .74  ▲ 3.07% 383,356 239%
Crown Holdings, Inc. $ 50.01 1.74  ▲ 3.60% 2,506,076 231%
Burger King Worldwide Inc. $ 33.51 1.47  ▲ 4.59% 3,047,838 224%
ASML Holding N.V. ASML Holding N.V. $ 99.71 3.59  ▲ 3.73% 2,730,027 224%
TASER International, Inc. TASER International, Inc. $ 17.404 1.734  ▲ 11.07% 4,207,647 222%
FireEye, Inc. FireEye, Inc. $ 33.4538 2.314  ▲ 7.43% 14,430,372 212%
ANN INC. $ 42.06 .62  ▲ 1.50% 1,911,792 211%
SuperCom, Ltd. $ 12.41 .72  ▲ 6.16% 293,993 190%
Century Aluminum Company Century Aluminum Company $ 27.09 2.11  ▲ 8.45% 2,271,423 189%
GP Strategies Corporation $ 27.41 2.19  ▲ 8.68% 145,326 186%
ZELTIQ Aesthetics, Inc. ZELTIQ Aesthetics, Inc. $ 22.96 1.95  ▲ 9.28% 1,490,777 176%
Core-Mark Holding Company, Inc. Core-Mark Holding Company, Inc. $ 50.415 2.255  ▲ 4.68% 229,781 173%
Aluminum Corporation of China Limited $ 11.14 .63  ▲ 5.99% 257,961 159%
Palo Alto Networks, Inc. $ 89.30 4.31  ▲ 5.07% 3,353,861 154%
Select a security's symbol for a quote summary.
As of 9/2/2014 2:50:00 PM