The Motley Fool
18 Oct 2026, 12:45 UTC · 1h ago
Moderna Just Joined the Nasdaq-100. Here's What That Means for Investors.
Impact · against what's priced in
The news is non-catalytic for Moderna, Merck, and Nasdaq Inc. as the market has already priced in the stock's massive run-up, the FDA vaccine approvals, the clinical efficacy of the cancer vaccine, and the index inclusion.
- MRK+0.00
Already priced in
- The price assumes
mRNA cancer vaccine (Intismeran) with Keytruda in melanoma
The mention of the phase 3 trial efficacy for the melanoma treatment confirms a driver the market is already monitoring, providing no new upside.





