Below are the U.S. stocks falling on unusual trading volume during today's trading session, ranked based on daily price change.
RANKING | STOCK | DAILY CHANGE
1 Zep, Inc. (ZEP) -15.9%
2 Education Management Corp (EDMC) -10.6%
3 L&L Energy, Inc. (LLEN) -8.1%
5 OCZ Technology Group Inc. (OCZ) -7.7%
6 Incyte Corporation (INCY) -6.8%
7 Texas Industries, Inc. (TXI) -6.7%
8 Mercer International Inc. (MERC) -6.4%
9 First BanCorp. (FBP) -5.9%
10 Alliance Data Systems Corporation (ADS) -5.8%
11 Imation Corp. (IMN) -5.7%
12 Advanced Semiconductor Engineering (ADR) (ASX) -5.7%
13 The Hanover Insurance Group, Inc. (THG) -5.7%
14 Genon Energy Inc (GEN) -5.6%
15 New York & Company, Inc. (NWY) -5.6%
16 Lindsay Corporation (LNN) -5.5%
17 TransAlta Corporation (USA) (TAC) -5.4%
18 Global Sources Ltd. (Bermuda) (GSOL) -5.3%
19 Magna International Inc. (USA) (MGA) -5.0%
20 Tesco Corporation (USA) (TESO) -5.0%
21 JPMorgan Chase & Co. (JPM) -4.8%
22 Legg Mason, Inc. (LM) -4.7%
23 Complete Genomics, Inc. (GNOM) -4.6%
24 Atlantic Power Corporation-Ord Shs (AT) -4.5%
25 Seabright Holdings, Inc. (SBX) -4.4%
26 Meritor Inc (MTOR) -4.3%
27 Almaden Minerals Ltd. (USA) (AAU) -4.2%
28 Artio Global Investors Inc. (ART) -4.1%
29 Agilent Technologies Inc. (A) -3.9%
30 Vishay Precision Group Inc (VPG) -3.9%
31 Newfield Exploration Co. (NFX) -3.8%
32 Commerce Bancshares, Inc. (CBSH) -3.8%
33 Universal Forest Products, Inc. (UFPI) -3.6%
34 HeartWare International Inc (HTWR) -3.5%
35 Hanesbrands Inc. (HBI) -3.4%
36 Children's Place Retail Stores, Inc. (PLCE) -3.2%
37 Uroplasty, Inc. (UPI) -3.1%
38 China Telecom Corporation Limited (ADR) (CHA) -3.0%
39 Cadence Pharmaceuticals, Inc. (CADX) -2.9%
40 Braskem SA (ADR) (BAK) -2.9%
41 FirstEnergy Corp. (FE) -2.8%
42 Healthcare Services Group, Inc. (HCSG) -2.8%
43 Senior Housing Properties Trust (SNH) -2.8%
44 Evercore Partners Inc. (EVR) -2.6%
45 NYSE Euronext (NYX) -2.6%
46 Prudential Financial, Inc. (PRU) -2.5%
47 EXFO Electro-Optical Engineering (USA) (EXFO) -2.4%
48 AMN Healthcare Services, Inc. (AHS) -2.4%
49 The Shaw Group Inc. (SHAW) -2.4%
50 PDL BioPharma Inc. (PDLI) -2.4%
51 Green Dot Corporation (GDOT) -2.3%
52 W&T Offshore, Inc. (WTI) -2.3%
53 ArQule, Inc. (ARQL) -2.3%
54 Ritchie Bros. Auctioneers (USA) (RBA) -2.2%
55 Energy Transfer Equity, L.P. (ETE) -2.2%
56 Acadia Realty Trust (AKR) -2.2%
57 Companhia Brasileira de Distrib. (ADR) (CBD) -2.1%
58 Winnebago Industries, Inc. (WGO) -2.1%
59 Wabtec Corporation (WAB) -2.0%
60 Platinum Underwriters Holdings, Ltd. (PTP) -2.0%
61 City National Corporation (CYN) -2.0%
62 Primo Water Corporation (PRMW) -2.0%
63 Newpark Resources, Inc. (NR) -1.9%
64 Aviat Networks, Inc. (AVNW) -1.9%
65 Deere & Company (DE) -1.8%
66 Key Energy Services, Inc. (KEG) -1.4%
67 Thermo Fisher Scientific Inc. (TMO) -1.3%
68 NetScout Systems, Inc. (NTCT) -0.9%
69 Sunoco Logistics Partners L.P. (SXL) -0.8%
70 Dr. Reddy's Laboratories Limited (ADR) (RDY) -0.8%
71 PT Telekomunikasi Indonesia (ADR) (TLK) -0.7%
72 Snyder S Lance Inc (LNCE) -0.5%
73 Golar LNG Partners LP (GMLP) -0.5%
74 AGL Resources Inc. (AGL) -0.5%
75 Novo Nordisk A/S (ADR) (NVO) -0.5%
76 Safeway Inc. (SWY) -0.2%
77 MedAssets, Inc. (MDAS) -0.2%
78 Boston Private Financial Holdings Inc (BPFH) -0.1%
79 Duke Realty Corporation (DRE) -0.1%