US Stock Market Today finds Wall Street holding its breath as US-China trade talks stretch into a second London session. The Dow sits flat, the S&P 500 inches up 0.2 percent, and the Nasdaq gains 0.3 percent, with traders hungry for any hint of progress on rare-earth access and tariff relief. A surprise dip in Chinese shares reminds everyone how fragile sentiment remains. Meanwhile, Americas small-business optimism just posted its first jump since September, yet inflation jitters loom large. All eyes now turn to Wednesdays May CPI report, poised to clarify price pressures and shape the markets next decisive move in coming days.