2026-08-21 US Volume Surge — Maine
What this is
- A weekly volume-surge screen: traded names whose recent trading volume ran well above their own prior average (data as of 2026-08-21).
- Screened 482 names; 53 qualified — the top ones are tabled below.
- Returning names: Moderna, Inc.(MRNA) (9w ago, since +108.4%), Charter Communications, Inc.(CHTR) (4w ago, since +16.8%) — flagged vs prior appearances.
- Surging volume signals attention, not direction — it accompanies both rallies and selloffs. This is an observational screen, not investment advice.
What drew volume
The observed volume surges this week suggest attention was highly fragmented across several distinct areas. There is notable, high-magnitude interest in the Healthcare sector, exemplified by Moderna and Merck, alongside significant activity in Technology and Financial Services, as seen with COIN and MSI. Conversely, some large-cap names like WMT and NUE experienced volume spikes alongside notable price declines, indicating divergence in sentiment across different market segments.
Reading the tape
Several names drew attention within specific industrial or defensive profiles. For instance, both Deere & Company and Nordson Corporation saw volume increases while posting modest positive returns, suggesting underlying sector interest in Industrials. Similarly, the Consumer Defensive sector featured both Estee Lauder and Walmart, one showing a positive return with volume expansion, and the other showing a decline despite elevated volume. The sheer magnitude of the volume increase for MRNA, relative to its recent average, warrants observation regarding the level of focus on that specific name.
Volume surges reflect where market attention is currently concentrated, not a directional forecast for future price action. The data points to distinct pockets of interest across Healthcare, Technology, and Industrials, with varying price outcomes accompanying the elevated trading activity.

Top names by volume surge
Ranked by volume vs prior average. 53 names qualified of 482 screened — data as of 2026-08-21.
| # | Name | Volume | Move | Mkt cap | PER | PBR | ROE | Sector |
|---|---|---|---|---|---|---|---|---|
| 1 | Moderna, Inc.(MRNA) | 110.9× | +122.9% | $58B | — | 8.6 | -39.0% | Healthcare |
| 2 | Charter Communications, Inc.(CHTR) | 3.6× | -3.6% | $20B | 3.9 | 1.1 | 27.2% | Communication Services |
| 3 | Estee Lauder Companies, Inc. (T(EL) | 3.3× | +10.3% | $37B | 203.9 | 9.7 | 4.7% | Consumer Defensive |
| 4 | Merck & Company, Inc.(MRK) | 3.1× | +13.8% | $376B | 122.0 | 9.0 | 7.0% | Healthcare |
| 5 | Targa Resources, Inc.(TRGP) | 3.0× | +13.5% | $64B | 28.9 | 20.5 | 70.8% | Energy |
| 6 | Nordson Corporation(NDSN) | 2.7× | +8.4% | $19B | 33.7 | 5.8 | 17.8% | Industrials |
| 7 | Keysight Technologies Inc.(KEYS) | 2.6× | -5.6% | $54B | 42.7 | 8.5 | 20.9% | Technology |
| 8 | Coinbase Global, Inc.(COIN) | 2.5× | +15.9% | $49B | — | 3.8 | -7.8% | Financial Services |
| 9 | Nucor Corporation(NUE) | 2.3× | -12.4% | $55B | 19.5 | 2.5 | 14.5% | Basic Materials |
| 10 | Walmart Inc.(WMT) | 2.3× | -7.8% | $825B | 37.6 | 8.8 | 22.3% | Consumer Defensive |
| 11 | Deere & Company(DE) | 2.3× | +1.9% | $175B | 36.0 | 6.2 | 18.2% | Industrials |
| 12 | Motorola Solutions, Inc.(MSI) | 2.0× | +2.5% | $80B | 37.3 | 29.8 | 91.6% | Technology |
Related
- All-time track record: /track-record/all-time/
As of 2026-08-21 (KST).
Disclaimer: OneQAZ figures are paper-trading research, not investment advice. Past simulated performance does not predict future real-money results.
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