Stock Market Update

01-Oct-25 14:30 ET
S&P 500 climbs on biotech and chip strength; TMO, MU, REGN lead while Gartner slides
Dow +64.65 at 46462.33, Nasdaq +104.28 at 22764.30, S&P +24.83 at 6713.28

[BRIEFING.COM] The S&P 500 (+0.37%) is in second place on Wednesday afternoon, up about 25 points.

Briefly, S&P 500 constituents Thermo Fisher (TMO 528.53, +43.51, +8.97%), Micron (MU 179.33, +12.01, +7.18%), and Regeneron Pharma (REGN 606.84, +44.57, +7.93%) dot the top of the standings. TMO rallies on a sector-wide biotech surge sparked by a favorable U.S. drug-pricing deal, boosted further by its new AstraZeneca (AZN 84.15, +7.43, +9.68%) R&D partnership, upcoming bioanalytical lab launch, and strong institutional buying interest, while MU's ship rises with the broader technology/semi tide, and REGN gets a boost from the view that the Pfizer (PFE 27.33, +1.85, +7.26%)/Trump admin drug pricing deal is a relief for biotechs, easing fears of harsher industry measures.

Meanwhile, Gartner (IT 244.57, -18.30, -6.96%) slumps despite a dearth of corporate news.

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