US Market Morning Briefhttps://intelwire.uk/en/A daily, source-linked recap of the US stock market. Information only, no investment advice.enUS Market Close Brief (Nov 5 ET): S&P 500 Plunges -4.36%, Nasdaq -5.52% Enters Correction as SOX Sinks -12.25% & South Korea Suspends Margin Rulehttps://intelwire.uk/en/briefs/2026-11-05/https://intelwire.uk/en/briefs/2026-11-05/Thu, 05 Nov 2026 12:00:00 GMTUS equities suffered their steepest single-day selloff since April 2025 on Thursday, Nov 5 ET: S&P 500 -4.36%, Nasdaq -5.52% (entering technical correction), Philadelphia Semiconductor Index -12.25%, and VIX surging ~69% to 28.09 as investors repriced AI and data-center buildout prospects despite stronger-than-expected jobless claims (189K) and Q3 productivity (+3.6%). At midday Nov 6 BJT, South Korea suspended its 140% margin collateral maintenance requirement for 3 months after KOSPI triggered a circuit breaker.US Market Close Brief (Nov 4 ET): S&P 500 +1.58%, Dow Surges +3.03% (+1,569 Pts) as Cloud Giants Rally and Memory Stocks Pull Backhttps://intelwire.uk/en/briefs/2026-11-04/https://intelwire.uk/en/briefs/2026-11-04/Wed, 04 Nov 2026 12:00:00 GMTUS equities rallied broadly on Wednesday, Nov 4 ET as post-midterm political uncertainty cleared and crude oil plunged -7.86% on Iran diplomacy hopes: Dow +3.03% (+1,569.40 pts, best day since April 2025), S&P 500 +1.58%, Nasdaq +1.44%, VIX -19.44% to 16.78. Cloud hyperscalers (Microsoft +6.68%, Amazon +6.12%, Apple +5.31%) surged, while the Philadelphia Semiconductor Index (-3.13%) and memory stocks fell sharply.US Market Close Brief (Nov 3 ET): S&P 500 +0.36%, Nasdaq +0.83% as Chips Rebound; AMD Beats After Hours & Democrats Win House Majorityhttps://intelwire.uk/en/briefs/2026-11-03/https://intelwire.uk/en/briefs/2026-11-03/Tue, 03 Nov 2026 12:00:00 GMTUS stocks diverged on Midterm Election Day: Nasdaq +0.83%, S&P 500 +0.36%, Dow -0.38% as chip stocks rebounded while Apple's margin outlook weighed on the Dow and hotter Sep JOLTS openings (7.523M) pushed the 10-year yield to ~4.93%. After hours, AMD beat Q3 and Q4 guidance expectations, and AP projections later showed Democrats winning the House majority (219+ seats) to flip both chambers.US Market Close Brief (Nov 2 ET): S&P 500 -0.51%, Dow Gains While Nasdaq Slides for 3rd Day; Apple & Palantir Report After Hourshttps://intelwire.uk/en/briefs/2026-11-02/https://intelwire.uk/en/briefs/2026-11-02/Mon, 02 Nov 2026 12:00:00 GMTDow rose +0.41% to 51,983.98 while Nasdaq (-1.07%) and S&P 500 (-0.51%) fell for a third straight session as tech and chips lagged and crude oil plunged -8.10%. After hours, Apple reported Q4 FY26 revenue of $114.48B (+12% YoY) but guided Dec-quarter gross margin lower to 45%–46% on memory costs; Palantir Q3 revenue jumped +96% YoY to $2.313B.