Swingfolio Daily — US Markets
US briefings — Monday, September 21, 2026
Pre-market setup and closing-bell recap for Monday, September 21, 2026. Observations only — no trade advice.
Monday, September 21, 2026
US Pre-Market, 21 September 2026: S&P 500 Futures 0.68% Higher as Oil Falls 3% Ahead of the Trump-Xi Meeting
S&P 500 futures were 0.68% higher and Nasdaq 100 futures 1.07% higher at 8:36am ET on 21 September 2026 as WTI crude fell 3.01% to US$97.28 and Treasury Secretary Scott Bessent called weekend talks with China a very successful engagement ahead of Xi Jinping's 24 September White House meeting. Bitcoin traded above US$85,000 and MSTR.US gained 7.33%, INTC.US 5.56%, while NVO.US fell 4.28%.
US markets close 21 September 2026: Nasdaq +2.26% to a record as Meta's MUSE agent reprices server CPUs
The S&P 500 closed at 7,764.70 on 21 September 2026, up 1.49%, and the Nasdaq Composite rose 2.26% to a record. Meta's MUSE AI agent launch drove buying in data-centre CPU suppliers: ARM.US +17.16%, INTC.US +12.14%, AMD.US +9.95%. Energy was the weakest sector as crude fell 4.28% to US$91.97 on Saudi pipeline repairs. GRAL.US +33.68% led single names ahead of a 23 September FDA panel vote.