President Trump voiced support on Tuesday for Oracle Corp. to buy the U.S. operations of TikTok, adding a fresh wrinkle to the bidding for the Chinese-owned video-sharing app. Oracle is a new entrant in the negotiations for TikTok, whose owner ByteDance Ltd. is facing a fall deadline from the Trump administration to divest itself of…

The University of Notre Dame and Michigan State University on Tuesday both announced moves designed to slow the spread of the coronavirus on their campuses. Notre Dame is canceling in-person classes and moving them online for at least two weeks after seeing a surge in coronavirus cases. On Monday, one week after classes began, 80…

The S&P 500 closed at its highest level ever Tuesday, capping a remarkable rebound fueled by unprecedented government stimulus and optimism among investors about the world’s ability to manage the coronavirus pandemic. The benchmark U.S. stock index rose 0.2% to close at 3389.78, surpassing its prior record of 3386.15 from Feb. 19 and erasing a…

Democrats formally made Joe Biden their presidential nominee, a role he has sought for more than three decades, capping a come-from-behind victory in the primaries he secured with a broad coalition of his party’s voters. Shortly after 10 p.m. EDT Tuesday, Mr. Biden received the support of enough delegates to clinch the nomination during a…

A senior ally of Chinese leader Xi Jinping called for a Mao-style purge of China’s domestic-security apparatus last month, saying it was time to “turn the blade inwards and scrape the poison off the bone.” The cleansing commenced swiftly. Within the first week after the call to action, Communist Party enforcers had launched investigations…

Alex Azar’s face reddened when he heard the news: The only federally authorized tests to detect whether Americans were infected with the new coronavirus were flawed, and officials couldn’t identify what was causing the problem. The Health and Human Services secretary listened on a speaker phone with advisers on Feb. 18, according to an attendee,…

Two years out of college, Leah Sanders was making as much as $19,000 a month servicing oil wells in Kuwait. After getting laid off in May by oil-field services giant Schlumberger Ltd., she’s back with her parents in Tennessee, earning $15 an hour helping out at her father’s construction business. She recently began considering switching…

WASHINGTON—Postmaster General Louis DeJoy said the U.S. Postal Service is suspending operational changes, such as removal of mail processing equipment and collection boxes, until after the November election, as the agency tries to reassure Americans that it can handle the anticipated surge in mail-in voting. Calling the timely delivery of the nation’s election mail a…

WASHINGTON—Members of the 2016 Trump campaign represented a major counterintelligence risk to the U.S. due to their frequent contacts with individuals with close ties to the Russian government, a bipartisan Senate investigation has concluded. The Senate Intelligence Committee released the fifth and final volume of its Russia investigation report Tuesday. The partially redacted document is…