Below I have posted the most heavily shorted stocks which can be explosive at times. High Short interest doesn't mean the stock will always rally. But a surprise news can lead to surprise rally. There can be different factors that's why this stock are heavily shorted, may be this stock are close to bankruptcy or may be the their balance sheet is weak or may be its over valued, so becareful holding this stock for long term and do your own research before investing.
| No. | Ticker | Company | Market Cap |  Float Short | Perf YTD | Price | Volume | Earnings |
| 1 | AMKR | Amkor Technology, Inc. | 641.65M | 51.44% | -0.71% | 4.21 | 2,620,587 | Jul 22 |
| 2 | VRA | Vera Bradley, Inc. | 878.96M | 44.91% | -13.71% | 21.66 | 463,798 | Jun 05/a |
| 3 | JASO | JA Solar Holdings Co., Ltd. | 278.35M | 43.39% | 68.62% | 7.20 | 1,315,214 | May 20/b |
| 4 | UNXL | Uni-Pixel Inc. | 147.60M | 41.95% | 7.09% | 14.66 | 1,717,872 | Nov 07 |
| 5 | GTAT | GT Advanced Technologies Inc. | 495.29M | 41.44% | 36.96% | 4.15 | 3,248,401 | Jul 29 |
| 6 | ESI | ITT Educational Services Inc. | 570.89M | 38.61% | 40.96% | 24.40 | 1,873,876 | Jul 22 |
| 7 | CSTR | Coinstar, Inc. | 1.61B | 38.40% | 12.82% | 58.68 | 431,719 | Jul 22 |
| 8 | QCOR | Questcor Pharmaceuticals, Inc. | 2.63B | 37.91% | 71.60% | 45.44 | 1,546,146 | Jul 24 |
| 9 | LQDT | Liquidity Services, Inc. | 1.09B | 37.30% | -15.15% | 34.67 | 319,881 | May 02/b |
| 10 | SPPI | Spectrum Pharmaceuticals, Inc. | 441.49M | 36.73% | -33.33% | 7.46 | 2,583,299 | May 09/b |
| 11 | RSH | RadioShack Corp. | 317.26M | 36.50% | 49.06% | 3.16 | 2,416,236 | Jul 22 |
| 12 | VHC | VirnetX Holding Corp | 1.02B | 35.71% | -31.73% | 19.99 | 451,341 | Nov 06 |
| 13 | BRLI | Bio-Reference Laboratories Inc. | 796.32M | 35.60% | 0.42% | 28.75 | 318,165 | Jun 06/b |
| 14 | DNDN | Dendreon Corp. | 624.10M | 34.95% | -22.12% | 4.12 | 12,343,594 | Jul 29 |
| 15 | SODA | SodaStream International Ltd. | 1.50B | 34.79% | 61.84% | 72.65 | 810,403 | May 08/b |
| 16 | GNK | Genco Shipping & Trading Ltd. | 70.35M | 34.55% | -53.30% | 1.63 | 3,665,697 | May 01/a |
| 17 | CALL | magicJack VocalTec Ltd. | 265.14M | 34.20% | -22.03% | 14.19 | 849,276 | Jul 29 |
| 18 | FIO | Fusion-io, Inc. | 1.38B | 34.09% | -37.90% | 14.24 | 7,155,100 | Apr 24/a |
| 19 | WNR | Western Refining Inc. | 2.43B | 34.05% | 0.36% | 28.07 | 1,277,528 | May 02/b |
| 20 | NIHD | NII Holdings Inc. | 1.14B | 34.04% | -6.59% | 6.66 | 19,759,972 | May 02/b |
| No. | Ticker | Company | Market Cap | Float Short | Perf YTD | Price | Volume | Earnings |
| 21 | HOV | Hovnanian Enterprises Inc. | 818.77M | 33.87% | -19.86% | 5.61 | 5,416,439 | Jun 05/b |
| 22 | BZH | Beazer Homes USA Inc. | 431.94M | 33.57% | 3.73% | 17.52 | 1,421,046 | Jul 29 |
| 23 | QIHU | Qihoo 360 Technology Co. Ltd | 5.48B | 33.52% | 55.51% | 46.17 | 803,088 | May 20/b |
| 24 | CRR | CARBO Ceramics Inc. | 1.55B | 33.32% | -13.28% | 67.43 | 1,701,687 | Jul 22 |
| 25 | DMND | Diamond Foods, Inc. | 452.74M | 32.95% | 51.79% | 20.75 | 400,157 | Jun 10/a |
| 26 | XLB | Materials Select Sector SPDR | 2.60B | 32.90% | 3.36% | 38.35 | 8,128,707 | - |
| 27 | FRAN | Francesca's Holdings Corporation | 1.22B | 32.86% | 7.17% | 27.79 | 2,159,999 | Jun 05/a |
| 28 | DGIT | Digital Generation, Inc. | 203.91M | 32.62% | -32.45% | 7.37 | 1,121,234 | May 07/a |
| 29 | PHMD | PhotoMedex, Inc | 329.61M | 32.40% | 9.70% | 15.94 | 416,796 | May 08/b |
| 30 | SNTA | Synta Pharmaceuticals Corp. | 344.27M | 32.17% | -44.68% | 4.99 | 2,807,623 | Jul 29 |
| 31 | XONE | The ExOne Company | 623.06M | 32.07% | 132.73% | 61.72 | 957,941 | May 14/a |
| 32 | SRPT | Sarepta Therapeutics, Inc. | 1.21B | 31.97% | 47.44% | 38.04 | 5,450,857 | May 09/b |
| 33 | BBRY | Research In Motion Limited | 5.48B | 31.79% | -11.88% | 10.46 | 135,764,944 | Jun 28/b |
| 34 | FAS | Direxion Daily Financial Bull 3X Shares | 4.09B | 31.41% | 59.24% | 63.65 | 9,488,070 | - |
| 35 | NES | Nuverra Environmental Solutions, Inc. | 691.38M | 30.85% | -28.04% | 2.90 | 1,798,239 | - |
| 36 | GME | GameStop Corp. | 4.98B | 30.70% | 70.78% | 42.03 | 3,494,293 | May 23/b |
| 37 | VVUS | VIVUS Inc. | 1.27B | 30.65% | -6.26% | 12.58 | 2,222,829 | May 08/b |
| 38 | PETS | PetMed Express Inc. | 249.67M | 30.60% | 16.13% | 12.60 | 314,552 | Jul 22 |
| 39 | HLF | Herbalife Ltd. | 4.70B | 30.57% | 39.02% | 45.14 | 2,678,170 | Jul 29 |
| 40 | ZAGG | ZAGG Inc. | 166.13M | 30.34% | -27.31% | 5.35 | 1,969,051 | Jul |
| No. | Ticker | Company | Market Cap | Float Short | Perf YTD | Price | Volume | Earnings |
| 41 | DWA | DreamWorks Animation SKG Inc. | 2.17B | 30.27% | 54.86% | 25.66 | 1,150,374 | Jul 29 |
| 42 | AFSI | AmTrust Financial Services, Inc. | 2.39B | 30.18% | 25.44% | 35.70 | 988,027 | Jul 22 |
| 43 | AKS | AK Steel Holding Corporation | 412.53M | 30.15% | -33.91% | 3.04 | 4,932,890 | Jul 23/b |
| 44 | SQNM | Sequenom Inc. | 484.32M | 29.99% | -10.62% | 4.21 | 2,989,532 | Jul 22 |
| 45 | MNKD | MannKind Corp. | 1.82B | 29.82% | 181.60% | 6.51 | 6,257,640 | May 09/a |
| 46 | CLF | Cliffs Natural Resources Inc. | 2.40B | 29.80% | -57.36% | 16.25 | 5,805,592 | Jul 22 |
| 47 | BYD | Boyd Gaming Corp. | 994.11M | 29.78% | 70.18% | 11.30 | 2,991,215 | Jul 22 |
| 48 | X | United States Steel Corp. | 2.53B | 29.70% | -26.13% | 17.53 | 5,896,407 | Jul 29 |
| 49 | BSAC | Banco Santander-Chile | 4.43B | 29.68% | -10.70% | 24.45 | 418,279 | - |
| 50 | MCP | Molycorp, Inc. | 950.55M | 29.58% | -34.32% | 6.20 | 22,540,988 | Jul 29 |
| 51 | DECK | Deckers Outdoor Corp. | 1.74B | 29.51% | 25.43% | 50.51 | 973,683 | Jul 22 |
| 52 | PBI | Pitney Bowes Inc. | 2.95B | 29.39% | 43.50% | 14.68 | 4,326,810 | Jul 30 |
| 53 | JMBA | Jamba, Inc. | 241.00M | 29.29% | 33.30% | 14.93 | 415,928 | Apr 30/a |
| 54 | BBG | Bill Barrett Corp. | 957.48M | 28.75% | 13.66% | 20.22 | 1,079,527 | May 02/a |
| 55 | IOC | InterOil Corporation | 3.38B | 28.62% | 25.18% | 69.51 | 385,697 | May 13/a |
| 56 | CLNE | Clean Energy Fuels Corp. | 1.23B | 28.54% | 6.02% | 13.20 | 1,188,267 | May 08/a |
| 57 | VELT | Velti Plc | 90.56M | 28.39% | -68.89% | 1.40 | 481,654 | May 13/a |
| 58 | WLT | Walter Energy, Inc. | 651.03M | 27.39% | -70.70% | 10.40 | 11,776,023 | May 01/a |
| 59 | HPY | Heartland Payment Systems, Inc. | 1.37B | 27.14% | 26.83% | 37.25 | 868,475 | Jul 29 |
| 60 | SPWR | SunPower Corporation | 2.47B | 27.14% | 268.33% | 20.70 | 4,204,841 | May 02/ |
| No. | Ticker | Company | Market Cap | Float Short | Perf YTD | Price | Volume | Earnings |
| 61 | END | Endeavour International Corporation | 180.71M | 27.00% | -25.87% | 3.84 | 2,137,414 | May 09/b |
| 62 | WPRT | Westport Innovations Inc. | 1.86B | 26.93% | 25.53% | 33.53 | 1,386,661 | Feb 08/a |
| 63 | MITK | Mitek Systems Inc. | 153.02M | 26.84% | 80.06% | 5.78 | 2,952,459 | Jul 24 |
| 64 | MAKO | MAKO Surgical Corp. | 563.99M | 26.75% | -6.23% | 12.05 | 594,188 | Jul 29 |
| 65 | TITN | Titan Machinery, Inc. | 409.36M | 26.63% | -20.53% | 19.63 | 1,485,570 | Jun 06/b |
| 66 | RBCN | Rubicon Technology, Inc. | 179.72M | 26.47% | 30.44% | 7.97 | 692,780 | Jul 29 |
| 67 | ARNA | Arena Pharmaceuticals, Inc. | 1.67B | 26.47% | -14.63% | 7.70 | 10,234,835 | Apr 30/a |
| 68 | PPO | Polypore International Inc. | 1.88B | 26.14% | -13.33% | 40.30 | 3,322,763 | Jul 29 |
| 69 | EBIX | Ebix Inc. | 344.18M | 26.11% | -42.56% | 9.26 | 1,369,961 | May 13 |
| 70 | VPRT | Vistaprint N.V. | 1.64B | 26.08% | 50.24% | 49.37 | 634,802 | Jul 22 |
| 71 | COCO | Corinthian Colleges Inc. | 192.79M | 26.06% | -8.57% | 2.24 | 2,415,431 | Apr 30/b |
| 72 | BONT | Bon-Ton Stores Inc. | 340.12M | 25.57% | 48.44% | 18.05 | 537,349 | May 23/b |
| 73 | RDN | Radian Group Inc. | 1.68B | 25.54% | 90.18% | 11.62 | 8,326,797 | Jul 29 |
| 74 | SFI | iStar Financial Inc. | 957.66M | 25.52% | 38.53% | 11.29 | 1,224,389 | Jul 22 |
| 75 | ZIOP | ZIOPHARM Oncology, Inc. | 174.93M | 25.22% | -49.28% | 2.11 | 1,704,790 | Nov 06 |
| 76 | JCOM | j2 Global, Inc. | 1.92B | 24.94% | 40.67% | 42.51 | 1,265,711 | Jul 29 |
| 77 | VCI | Valassis Communications Inc. | 941.99M | 24.54% | -2.34% | 24.59 | 1,194,278 | Jul 22 |
| 78 | BYI | Bally Technologies, Inc. | 2.28B | 24.51% | 26.19% | 56.42 | 530,752 | Apr 24/a |
| 79 | CST | CST Brands, Inc. | 2.33B | 24.26% | 8.14% | 30.81 | 1,419,755 | - |
| 80 | FTR | Frontier Communications Corporation | 4.02B | 24.24% | -0.74% | 4.05 | 15,304,821 | Jul 3 |
| No. | Ticker | Company | Market Cap | Float Short | Perf YTD | Price | Volume | Earnings |
| 81 | RPRX | Repros Therapeutics Inc. | 335.46M | 24.21% | 17.14% | 18.45 | 386,989 | Nov 16 |
| 82 | TEAR | TearLab Corporation | 305.40M | 24.17% | 159.02% | 10.62 | 4,409,614 | May 13/a |
| 83 | LCC | US Airways Group, Inc. | 2.67B | 24.00% | 21.63% | 16.42 | 7,040,255 | Jul 22 |
| 84 | SVU | SUPERVALU Inc. | 1.32B | 23.81% | 151.82% | 6.22 | 5,583,310 | Jul 17 |
| 85 | MHR | Magnum Hunter Resources Corp. | 618.63M | 23.74% | -8.52% | 3.65 | 4,458,179 | Jun 14/b |
| 86 | DDD | 3D Systems Corp. | 4.03B | 23.60% | 23.42% | 43.90 | 7,764,526 | Jul 22 |
| 87 | ILMN | Illumina Inc. | 9.26B | 23.54% | 34.63% | 74.84 | 1,405,048 | Jul 22 |
| 88 | IMAX | IMAX Corporation | 1.66B | 23.40% | 10.59% | 24.86 | 1,308,736 | Feb 24 |
| 89 | STSI | Star Scientific, Inc. | 231.42M | 23.34% | -48.13% | 1.39 | 2,995,627 | Nov 09 |
| 90 | FRO | Frontline Ltd. | 137.81M | 23.30% | -45.71% | 1.77 | 1,286,699 | Feb 22 |
| 91 | MOH | Molina Healthcare Inc. | 1.71B | 23.25% | 37.40% | 37.18 | 1,498,121 | Jul 22 |
| 92 | ADS | Alliance Data Systems Corporation | 9.01B | 23.13% | 25.06% | 181.03 | 1,294,253 | Jul 15 |
| 93 | ATHN | athenahealth, Inc. | 3.08B | 23.05% | 15.61% | 84.73 | 573,067 | Jul 19 |
| 94 | TSLA | Tesla Motors, Inc. | 12.32B | 23.04% | 216.98% | 107.36 | 5,603,421 | Jul 22 |
| 95 | IPGP | IPG Photonics Corporation | 3.12B | 22.81% | -8.88% | 60.73 | 330,327 | Jul 29 |
| 96 | GEVO | Gevo, Inc. | 83.22M | 22.71% | 31.82% | 2.03 | 5,059,436 | Apr 30/a |
| 97 | ONE | Higher One Inc. | 538.56M | 22.68% | 10.44% | 11.64 | 493,511 | May 07/a |
| 98 | OSTK | Overstock.com Inc. | 665.35M | 22.61% | 97.06% | 28.20 | 554,898 | Jul 15 |
| 99 | AEL | American Equity Investment Life Holding Co. | 994.03M | 22.59% | 28.58% | 15.70 | 949,639 | Jul 29 |
| 100 | GMCR | Green Mountain Coffee Roasters Inc. | 11.19B | 22.46% | 81.95% | 75.22 | 3,658,588 | Jul 2 |
