2026-07-31 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 2026-07-31).
- Screened 403 names; 121 qualified — the top ones are tabled below.
- Surging volume signals attention, not direction — it accompanies both rallies and selloffs. This is an observational screen, not investment advice.
What drew volume
The volume surge list indicates a notable concentration of attention across several sectors, particularly Healthcare and Technology. Within Healthcare, multiple names registered significant volume increases, suggesting sector-specific focus points. Technology also showed breadth, with several names drawing elevated trading activity. Industrials saw activity, though the price action across the flagged names in that sector was mixed. Overall, the breadth of the surge is somewhat concentrated within specific industry groupings rather than being evenly distributed across the entire market universe.
Reading the tape
Several names within the Healthcare sector, such as BAX, IQV, and SOLV, experienced substantial volume surges alongside positive price movements. Conversely, other names in the same sector, like HUM, saw high volume accompany negative price action. This divergence highlights that high volume itself is a measure of attention, not a directional indicator. Similarly, in Technology, the activity spanned both significant gains, as seen with MSFT, and notable declines, as observed with FICO. The pattern suggests that large capital flows are currently finding specific points of interest across different market segments.
This observational screen simply reflects where trading interest was most pronounced this week. The accompanying price changes—both positive and negative—are simply the outcome of that observed activity.

Top names by volume surge
Ranked by volume vs prior average. 121 names qualified of 403 screened — data as of 2026-07-31.
| # | Name | Volume | Move | Mkt cap | PER | PBR | ROE | Sector |
|---|---|---|---|---|---|---|---|---|
| 1 | Baxter International Inc.(BAX) | 3.7× | +21.2% | $14B | — | 2.2 | -14.4% | Healthcare |
| 2 | Garmin Ltd.(GRMN) | 3.4× | +21.6% | $57B | 30.3 | 6.3 | 21.9% | Technology |
| 3 | IQVIA Holdings, Inc.(IQV) | 3.3× | +16.6% | $39B | 29.2 | 6.3 | 22.8% | Healthcare |
| 4 | Fair Isaac Corporation(FICO) | 3.0× | -9.8% | $24B | 32.5 | — | — | Technology |
| 5 | Huntington Ingalls Industries,(HII) | 3.0× | +18.5% | $13B | 19.5 | 2.5 | 13.0% | Industrials |
| 6 | Masco Corporation(MAS) | 3.0× | -6.9% | $14B | 16.5 | — | 5862.5% | Industrials |
| 7 | Incyte Corporation(INCY) | 3.0× | +6.3% | $24B | 15.2 | 4.6 | 30.7% | Healthcare |
| 8 | Solventum Corporation(SOLV) | 2.8× | +9.6% | $15B | 10.5 | 3.0 | 34.8% | Healthcare |
| 9 | Lennox International, Inc.(LII) | 2.8× | -21.8% | $14B | 18.5 | 11.1 | 71.8% | Industrials |
| 10 | Humana Inc.(HUM) | 2.7× | -7.9% | $44B | 34.4 | 2.4 | 6.9% | Healthcare |
| 11 | Microsoft Corporation(MSFT) | 2.7× | +12.1% | $3.45T | 25.1 | 7.8 | 34.0% | Technology |
| 12 | Tyler Technologies, Inc.(TYL) | 2.7× | +1.7% | $13B | 40.6 | 4.2 | 9.7% | Technology |
Related
- All-time track record: /track-record/all-time/
As of 2026-07-31 (KST).
Disclaimer: OneQAZ figures are paper-trading research, not investment advice. Past simulated performance does not predict future real-money results.
Three ways to see OneQAZ — this post is the synthesis layer:
- Live — dashboard stream (the system’s screen, 24/7)
- Synthesis — blog.oneqaz.com (daily reads · journals · track record)
- Query — OneQAZ MCP (connect an AI to live data)