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Merck (MRK) News Today
1 headline on Merck cleared our tape in the last 7 days with a measured price reaction attached. 1 of them moved the underlying at least 0.35% within fifteen minutes. The largest measured reaction was +0.57% on MRK at Aug 27, 09:31 ET.
What moved MRK — last 7 days
| Time | Headline | 1 min | 15 min | Volume |
|---|---|---|---|---|
| Aug 27, 09:31 ET | Moderna Borrows $2 Billion To Expand Oncology Business | +0.97% | +0.57% | — |
Moves are measured against the price two minutes before each headline crossed, using validated 1-minute bars captured at publish time. A dash means no bar was available for that window. Times are New York ET.
Our analysis
How Merck Stock Reacted to Its Q2 2026 Earnings, Measured Minute by Minute
Every earnings headline that crossed for Merck on 4 August 2026, with the price reaction measured from the instant each line printed.
Why Is Merck Stock Up Today?
A trial where Merck's own blockbuster was the comparator just beat it — and Merck co-owns the regimen that did.