West Pharmaceutical Services, Inc. (WST) by event type
WST moves most on analyst upgrades — a median of +0.68% at 30 minutes across 26 measured events. Each row is measured over the last three years and read against the price at its own news timestamp. Back to the WST overview →
How WST reacts across 3 measured event types.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades 247 of 2,717 | 26 | +0.68% | 77% | +1.21% |
| Coverage initiations 1,476 of 2,283 | 28 | -0.08% | 36% | +0.19% |
| Rating reiterations 790 of 3,522 | 41 | +0.11% | 56% | -0.55% |
Last 3 years, pulled 2026-09-21. Reaction = percent move vs. the price at the news timestamp. Counts and medians only. The rank under each event type orders every name measured for it by median 30-min reaction, most positive first — so a low rank on a downgrade means this name falls harder than most, not that it moves less. Names with an identical median share a rank; a name the cross-section does not carry shows no rank rather than a guessed one. 3 further classes were observed with fewer than 10 measured events and are not published.
That’s how WST usually reacts — get an email when it moves on news →Every name measured for these event types: Analyst upgrades → · Coverage initiations → · Rating reiterations → · WST overview →
Other Healthcare names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Guardant Health, Inc. (GH) | 848 | -0.17% | 47% |
| Capital Senior Living Corporation (CSU) | 847 | 0.00% | 50% |
| Adamas Pharmaceuticals, Inc. (ADMS) | 846 | -0.16% | 44% |
| Defiance Daily Target 2x Long LMND ETF (LMNX) | 844 | +0.07% | 54% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not.