Mumbai, Sept. 16 -- The Nasdaq jumped 207.65 points or 0.9% to 22,348.75 and the S&P 500 climbed 30.99 points or 0.5% to 6,615.28. The narrower Dow posted a more modest gain, inching up 49.23 points or 0.1% to 45,883.45.

Wall Street saw gains after former President Donald Trump shared upbeat remarks on U.S.-China trade talks, noting they had "gone very well." He hinted at a deal involving a company favored by young Americans, likely TikTok, and highlighted strong ties with Chinese President Xi Jinping ahead of their Friday call. Investors also looked ahead to the Federal Reserve's Wednesday policy announcement, with expectations of a rate cut amid subdued inflation and a softening labor market.

CME Group's FedWatch Tool is currently ind...