Swingfolio Daily — US Markets
US briefings — Monday, July 13, 2026
Pre-market setup and closing-bell recap for Monday, July 13, 2026. Observations only — no trade advice.
Monday, July 13, 2026
US Pre-Market, July 13, 2026: Nasdaq Futures Slide 1.1% as a Memory-Chip Rout Meets an Iran Oil Shock
US equity futures point lower before Monday's open. Nasdaq 100 futures fell 1.12% as South Korea's Kospi dropped 8.95% into a circuit breaker on a memory-chip selloff led by SK Hynix, while a US-Iran clash near the Strait of Hormuz lifted Brent crude 3.70% to US$78.82. June CPI and big-bank earnings arrive Tuesday.
S&P 500 Falls 0.79% on July 13, 2026 as a Chip Selloff Tops an Oil-Driven Energy Rally
The S&P 500 closed at 7,515.34 on July 13, 2026, down 0.79%, as technology fell 2.42% and outweighed a 3.01% energy rally. Semiconductors led the decline after SK Hynix reversed more than 9% following Friday's Nasdaq debut, with SanDisk SNDK.US down 12.63% and Marvell MRVL.US 7.75%. Crude rose about 9% on renewed US-Iran strikes near the Strait of Hormuz, and the VIX rose 14.17% to 17.16.