Stock Market Update
11-May-26 11:00 ET
Notable stock-specific moves
Dow +21.19
at 49630.35,
Nasdaq +41.46
at 26288.53,
S&P +17.81
at 7416.74
[BRIEFING.COM] The major averages remain modestly higher this morning.
Lumentum (LITE 1045.62, +141.82, +15.69%)is the best-performing S&P 500 component following news that the company will join the Nasdaq 100 Index, replacing CoStar Group (CSGP 32.54, -0.24, -0.72%) prior to the market open on Monday, May 18, 2026.
Elsewhere, Moderna (MRNA 57.22, +2.87, +5.28%) is another top-mover today amid headlines that the company is researching a vaccine for hantavirus, which is responsible for several deaths aboard a Dutch cruise ship.
