Chip Rally Drives Dow to Fresh High; S&P 500 Caps Best Quarter Since 2020
US stocks rose on the last trading day of the second quarter of 2026, with the Dow nudging to a fresh record above 52,000, the S&P 500 up 0.8% for its best quarter since 2020, and the Nasdaq up about 1.5% as chip stocks led the rally; the Philadelphia SOX posted its best quarter on record. Investors weighed a stronger dollar and yen weakness against signs of Fed independence after a Supreme Court ruling and potential US-Iran talks, while oil slid and markets awaited the June jobs report.