Morning Bid: Pain thresholds

LONDON, Sept 23 (Reuters) – What matters in U.S. and global markets today By Amanda Cooper, Editor, Markets Breaking News, Europe Sign up here. Markets are digesting mixed signals this morning: Wall Street cooled after hitting record highs, Asia is riding an AI-driven surge, and gold has smashed through $3,750 an ounce, as investors hedge against uncertainty. Meanwhile, the Fed's messaging remains split ahead of Powell's remarks, keeping rate-cut bets alive, but looking more fragile. * The S&P 500 and Nasdaq paused after hitting record highs, with the Dow down 0.21%, S&P 500 off 0.02%, and Nasdaq up 0.11%. Apple…