SAN FRANCISCO (Reuters) - Video conferencing provider Zoom plans to strengthen encryption of video calls hosted by paying clients and institutions such as schools, but not by users of its free consumer accounts, a company official said on Friday.

WASHINGTON (Reuters) - Four U.S. senators, including a China hawk, urged the Federal Trade Commission on Friday to investigate allegations that the popular video app TikTok violated a consent decree protecting children's privacy.

NEW YORK (Reuters) - Investors are taking a closer look at the market's consumer discretionary companies as a reopening U.S. economy fuels hopes of a turnaround for some of the sector's hardest-hit names.

WASHINGTON (Reuters) - The Trump administration will study ways to safeguard Americans from the risks of investing in Chinese companies, U.S. president Donald Trump said on Friday, ratcheting up pressure on the firms to comply with U.S. accounting and disclosure rules.

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.