US stock indexes closed higher on Tuesday, supported by strength in the technology sector and easing inflation risks. The S&P 500 gained 0.8%, while the Nasdaq 100 rose 1.7%, and the Dow Jones added 136 points to close at a record high of 52,319. Chipmakers extended their rebound as investors looked past recent concerns over stretched AI-related valuations, encouraged by strong guidance from semiconductor producers despite elevated hyperscaler spending. Nvidia gained 2.6%, AMD rose 7.7%, and Intel advanced 6%. Meanwhile, oil prices remained near pre-conflict levels, easing concerns that the Federal Reserve could be forced into a hiking cycle. The softer inflation backdrop also supported traditional sectors, helping the Dow outperform broader benchmarks in June. Considering Q2, the S&P rose more than 14% and the Nasdaq surged about 20%, their strongest quarterly performances since Q2 2020. The Dow gained more than 12%, its best quarterly performance since Q4 2022.