U.S. equities rebounded Monday after last week's selloff, with the Nasdaq Composite jumping 1.1% and the S&P 500 adding 0.7% in the shortened holiday week. The Dow Jones Industrial Average gained 155 points, or 0.3%. Markets digested mixed signals: SpaceX shares fluctuated ahead of its Tuesday inclusion in the Nasdaq-100 under new fast-track rules, closing down roughly 1% after an intraday drop exceeding 3%. Index-fund buying is expected to support the stock once the rebalance takes effect.

SK Hynix trimmed its U.S. listing target to $28 billion, down from a higher initial goal, citing recent share-price weakness. The South Korean chipmaker's downsized offering signals cautious investor appetite for semiconductor equity supply. Meanwhile, Samsung Electronics reports earnings Tuesday, a key gauge for memory-cycle momentum.

Federal Reserve Governor Christopher Waller warned that inflation risks have "taken off" even as the labor market stabilizes — a reversal from his 2024 rate-cut advocacy. The 10-year Treasury yield rose for a fifth straight session. In energy, Brent crude slipped to $72 a barrel as OPEC+ confirmed August output increases, raising the prospect of a supply glut despite lingering geopolitical risks.