OPEC+ pause, chip-access signals and growth concerns shape closed-market news

Markets were closed, leaving QQQ at 629.19 and SPY at 681.99 from Friday's regular close. OPEC+ members approved a 137,000 barrels/day increase for December and paused further increases through March 2026. Trump said Nvidia's Blackwell chip would not be made available to other people, while Satya Nadella said electricity and data-center space were limiting deployment of additional AI chips. China's Caixin manufacturing PMI came in at 50.6 versus a 50.7 estimate and 51.2 prior, as the U.S. government shutdown neared a record and Scott Bessent said parts of the economy were in recession while overall conditions remained sound.