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
Zimmer Holdings, Inc. $ 101.89 10.44  ▲ 11.42% 9,106,733 1263%
Elizabeth Arden, Inc. Elizabeth Arden, Inc. $ 34.89 3.06  ▲ 9.61% 944,794 524%
MarineMax, Inc. $ 16.515 .995  ▲ 6.41% 444,406 410%
Angie's List, Inc. Angie's List, Inc. $ 13.33 .51  ▲ 3.98% 3,734,993 399%
Lam Research Corporation Lam Research Corporation $ 58.18 5.93  ▲ 11.35% 5,761,179 348%
Carbo Ceramics, Inc. $ 138.58 1.37  ▲ 1% 773,203 336%
MicroStrategy Incorporated MicroStrategy Incorporated $ 122 14.79  ▲ 13.80% 196,215 332%
Ultratech, Inc. Ultratech, Inc. $ 26.79 .87  ▲ 3.36% 697,627 326%
Empresa Distribuidora Y Comercializadora Norte S.A. (Edenor) $ 10.34 .67  ▲ 6.93% 186,048 309%
Mallinckrodt plc $ 67.08 2.75  ▲ 4.27% 3,146,380 247%
Synergy Resources Corporation $ 12.58 1.04  ▲ 9.01% 1,305,980 241%
Apple Inc. Apple Inc. $ 567.33 42.58  ▲ 8.11% 18,527,704 239%
NetScout Systems, Inc. NetScout Systems, Inc. $ 38.61 2.86  ▲ 8% 464,432 223%
Citrix Systems, Inc. Citrix Systems, Inc. $ 61.43 5.44  ▲ 9.72% 5,519,488 220%
Bob Evans Farms, Inc. Bob Evans Farms, Inc. $ 47.7496 2.89  ▲ 6.44% 672,515 210%
Cytokinetics, Incorporated Cytokinetics, Incorporated $ 13.06 1.14  ▲ 9.56% 1,925,987 203%
Timken Company (The) $ 62.96 3.28  ▲ 5.50% 1,407,523 197%
Emeritus Corporation $ 30.03 .64  ▲ 2.18% 1,207,083 196%
Famous Dave's of America, Inc. Famous Dave's of America, Inc. $ 25.85 1.75  ▲ 7.26% 106,379 194%
Astrazeneca PLC $ 69.80 2.02  ▲ 2.98% 4,073,386 185%
E*TRADE Financial Corporation E*TRADE Financial Corporation $ 22.88 1.38  ▲ 6.42% 8,361,612 178%
Fortinet, Inc. Fortinet, Inc. $ 22.95 .91  ▲ 4.13% 3,497,967 176%
Mead Johnson Nutrition Company $ 87.74 3.47  ▲ 4.12% 2,872,916 171%
Group 1 Automotive, Inc. $ 69.825 4.895  ▲ 7.54% 428,118 165%
Knightsbridge Tankers Limited $ 13.51 .97  ▲ 7.74% 868,080 162%
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As of 4/24/2014 12:50:00 PM