This list shows NYSE and Nasdaq stocks that opened more than 5% below yesterday's close, biggest gaps first, excluding penny stocks and illiquid names. Large gap downs usually come from disappointing earnings, guidance cuts, downgrades or failed trials. Some stocks keep sliding as funds exit over several days, while others bounce and fill part of the gap, so wait for the price to stabilize before buying the drop.
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| Symbol | Name | Industry | Sector | Exchange | Cap | Cap, mln | Last | Change | Change, % | Volume | Gap_down_pct |
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| Capital Markets | Financial Services | NASDAQ | Micro | 2.19 |
1.94 |
-1.76 | -47.57 | 841,116 |
40.81 |
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| Medical Devices | Healthcare | NASDAQ | Small | 1,079.46 |
7.04 |
-4.33 | -38.08 | 27,222,272 |
39.67 |
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| Building Products & Equipment | Industrials | NYSE | Small | 784.68 |
9.35 |
-1.85 | -16.52 | 4,212,014 |
26.43 |
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| Semiconductors | Technology | NASDAQ | Mega | 349,514 |
65.76 |
-26.31 | -28.58 | 448,982,368 |
25.75 |
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| Software - Infrastructure | Technology | NYSE | Large | 31,488 |
205.03 |
-36.87 | -15.24 | 7,323,528 |
22.86 |
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| Internet Content & Information | Communication Services | NYSE | Large | 17,712 |
91.73 |
-37.87 | -29.22 | 33,203,384 |
22.65 |
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| Drug Manufacturers - Specialty & Generic | Healthcare | NASDAQ | Micro | 68.24 |
1.30 |
-0.13 | -9.09 | 122,604 |
18.18 |
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| REIT - Mortgage | Real Estate | NYSE | Small | 433.84 |
2.14 |
-0.88 | -29.14 | 23,596,476 |
17.88 |
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| Biotechnology | Healthcare | NASDAQ | Small | 745.35 |
5.11 |
-0.12 | -2.29 | 2,109,870 |
15.87 |
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| Biotechnology | Healthcare | NASDAQ | Small | 1,814.49 |
30.55 |
-6.68 | -17.94 | 3,094,259 |
15.58 |
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| Specialty Chemicals | Basic Materials | NYSE | Mid | 5,006.54 |
117.63 |
-13.9 | -10.57 | 1,733,219 |
14.85 |
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| Computer Hardware | Technology | NYSE | Large | 25,954 |
28.78 |
-3.05 | -9.58 | 29,890,860 |
14.23 |
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| Pollution & Treatment Controls | Industrials | NYSE | Micro | 33.99 |
3.80 |
-1.9 | -33.33 | 819,783 |
13.86 |
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| Pharmaceutical Retailers | Healthcare | NASDAQ | Micro | 4.15 |
1.54 |
-0.45 | -22.61 | 681,958 |
13.57 |
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| Credit Services | Financial Services | NASDAQ | Mid | 4,712.81 |
464.89 |
-110.89 | -19.26 | 386,249 |
13.52 |
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| Oil & Gas Equipment & Services | Energy | NYSE | Small | 1,960.56 |
28.08 |
-1.92 | -6.4 | 1,200,548 |
13.40 |
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| Electronic Gaming & Multimedia | Communication Services | NYSE | Large | 30,769 |
42.99 |
-9.47 | -18.05 | 29,353,202 |
12.83 |
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| Software - Infrastructure | Technology | NASDAQ | Micro | 194.47 |
7.54 |
-1.6 | -17.51 | 3,015,320 |
12.69 |
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| Other Industrial Metals & Mining | Basic Materials | NASDAQ | Small | 564.73 |
15.01 |
-2.03 | -11.91 | 514,206 |
12.03 |
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| Personal Services | Consumer Cyclical | NYSE | Mid | 2,673.97 |
54.98 |
-12 | -17.92 | 7,373,548 |
12.02 |
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| Biotechnology | Healthcare | NASDAQ | Small | 376.75 |
7.49 |
-0.46 | -5.79 | 197,833 |
11.95 |
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| Computer Hardware | Technology | NYSE | Mega | 269,775 |
424.30 |
-51.21 | -10.77 | 10,452,124 |
11.88 |
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| Diagnostics & Research | Healthcare | NASDAQ | Large | 35,634 |
235.99 |
-54.07 | -18.64 | 5,382,606 |
11.82 |
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| Semiconductor Equipment & Materials | Technology | NASDAQ | Mid | 2,088.58 |
54.89 |
-6.32 | -10.33 | 2,652,764 |
11.50 |
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| 316 matches |
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| Data as of Oct 30, 2026, updated intraday |
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