U.S. major stock indices saw modest gains on Tuesday, with the S&P 500 reaching a new closing record. The index rose 0.45%, while the Dow Jones Industrial Average increased by 0.16% and the Nasdaq Composite climbed 0.57%. Notable stock movements included Nvidia's 3% rise and Broadcom's 2% gain, contrasting with Circle's nearly 5% decline. In other market movements, the Nasdaq China Golden Dragon Index fell 0.58%. Among individual stocks, Dingdong Maicai surged over 5%, whereas GDS dropped 3%. The broader market rally may present mixed signals for altcoins, reflecting varied investor sentiment.