This list shows US stocks whose price is below the low of the first 30-minute bar of the session (9:30 to 10:00 New York time), using intraday data from the IEX exchange, weakest first. The list fills from 10:00 onward, once the opening range is complete. Short sellers often enter on the break of the opening range low with a stop above the opening range high. Penny stocks and illiquid names are excluded.
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| Symbol | Name | Industry | Sector | Exchange | Cap | Cap, mln | Last | Change | Change, % | Volume | Change_from_open_pct |
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| Biotechnology | Healthcare | IEX | Micro | 37.12 |
9.22 |
-7.55 | -45.02 | 224,274 |
-50.75 |
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| Biotechnology | Healthcare | IEX | Small | 452.08 |
5.70 |
-1.94 | -25.39 | 6,974,720 |
-25.78 |
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| Electronic Gaming & Multimedia | Communication Services | IEX | Micro | 0.0917 |
1.51 |
-0.61 | -28.77 | 384,547 |
-22.16 |
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| Capital Markets | Financial Services | IEX | Small | 1,374.38 |
11.11 |
-3.24 | -22.58 | 263,202 |
-21.65 |
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| Furnishings Fixtures & Appliances | Consumer Cyclical | IEX | Small | 416.18 |
6.42 |
-1.67 | -20.64 | 2,498,966 |
-21.61 |
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| Biotechnology | Healthcare | IEX | Micro | 98.28 |
2.26 |
-0.44 | -16.3 | 8,917,190 |
-20.14 |
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| Computer Hardware | Technology | IEX | Small | 987.16 |
2.47 |
-0.64 | -20.58 | 1,260,763 |
-19.81 |
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| Telecom Services | Communication Services | IEX | Micro | 85.56 |
7.96 |
-3.04 | -27.64 | 501,003 |
-19.60 |
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| Biotechnology | Healthcare | IEX | Micro | 3.96 |
1.62 |
-0.44 | -21.36 | 342,307 |
-19.00 |
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| Education & Training Services | Consumer Defensive | IEX | Small | 917.47 |
3.47 |
-1.19 | -25.54 | 26,104,102 |
-18.74 |
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| Capital Markets | Financial Services | IEX | Small | 919.6 |
86.19 |
-21.72 | -20.13 | 209,413 |
-18.64 |
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| Integrated Freight & Logistics | Industrials | IEX | Micro | 13.53 |
1.62 |
-0.31 | -16.06 | 147,120 |
-16.92 |
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| Software - Infrastructure | Technology | IEX | Small | 847.64 |
10.32 |
-2.25 | -17.9 | 507,394 |
-15.41 |
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| Health Information Services | Healthcare | IEX | Micro | 231.15 |
12.73 |
-2.25 | -15.02 | 170,202 |
-14.10 |
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| Biotechnology | Healthcare | IEX | Small | 1,602.72 |
18.18 |
-3.06 | -14.41 | 3,612,448 |
-13.39 |
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| Pharmaceutical Retailers | Healthcare | IEX | Micro | 4.15 |
1.50 |
-0.48 | -24.24 | 552,391 |
-12.79 |
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| Software - Infrastructure | Technology | IEX | Mid | 3,624.4 |
23.90 |
-4.57 | -16.05 | 2,140,349 |
-11.87 |
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| Medical Devices | Healthcare | IEX | Small | 366.62 |
9.07 |
-1.17 | -11.43 | 583,349 |
-11.86 |
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| Insurance - Specialty | Financial Services | IEX | Small | 396.3 |
20.90 |
-2.19 | -9.48 | 600,771 |
-11.70 |
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| Telecom Services | Communication Services | IEX | Small | 345.19 |
6.74 |
-1.01 | -13.03 | 1,668,850 |
-11.66 |
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| Other Precious Metals & Mining | Basic Materials | IEX | Micro | 132.23 |
1.42 |
-0.19 | -11.8 | 2,223,848 |
-11.25 |
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| Medical Devices | Healthcare | IEX | Small | 1,709.08 |
6.39 |
-1.12 | -14.91 | 6,972,858 |
-11.00 |
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| Biotechnology | Healthcare | IEX | Micro | 88.8 |
2.54 |
-0.3 | -10.56 | 501,154 |
-10.88 |
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| Biotechnology | Healthcare | IEX | Small | 924.88 |
13.95 |
-1.56 | -10.06 | 173,776 |
-10.86 |
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| 1490 matches |
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| Data as of Oct 30, 2026, updated intraday |
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