Reuters US stocks surged through Tuesday trading as investors' optimism toward economic reopenings overshadowed flaring US-China tensions. The S&P 500 for the first time since early March broke through 3,000, a key threshold for the market's weekslong rally. The White House said on Sunday that it would likely sanction China if the country implemented a controversial national-security law in Hong Kong, further escalating stresses between the economic giants. West Texas Intermediate crude oil bounced as much as 4.7%, to $34.81 per barrel. Watch major indexes update live here. US stocks leaped on Tuesday as investors mulled economic reopenings and new US-China tensions. States continued to relax lockdown measures through Memorial Day weekend, ushering in a new test for markets battered by the coronavirus pandemic.