WASHINGTON (Reuters) - The U.S. Trade Representative's office said on Tuesday it was launching a "Section 301" investigation into digital services taxes adopted or under consideration by a number of U.S. trading partners - a move that could lead to new punitive tariffs.

(Reuters) - A California appeals court on Tuesday heard arguments in the first case that went to trial over allegations that Bayer AG's glyphosate-based weed killer Roundup causes cancer, resulting in a $289 million judgment against the company.

NEW YORK (Reuters) - U.S. stocks posted modest gains on Tuesday as market participants looked past widespread social unrest and pandemic worries to focus instead on lifting lockdown restrictions and signs of economic recovery.

(Reuters) - Venezuela's oil exports plummeted in May to their lowest level since 2003 as U.S. sanctions choked exports and two Mexican firms that had acted as intermediaries for Venezuelan crude sales stopped receiving oil, Refinitiv Eikon data and internal shipping documents from state-run energy company PDVSA showed.

BOSTON (Reuters) - William Ackman's hedge fund is boasting double-digit gains at a time many portfolios have sunk along with the economy during the coronavirus pandemic, after the billionaire investor plowed cash into a number of companies he already owned and dumped Warren Buffett's Berkshire Hathaway among other stocks.

CHICAGO (Reuters) - The COVID-19 pandemic has put a bright spotlight on weaknesses in many of the systems designed to protect Americans from risks. But with older people more susceptible to serious illness and death from the virus, the problems in our Medicare system that were evident pre-pandemic have come into especially sharp relief.