Traders at the New York Stock Exchange floor. Brendan McDermid/ReutersMajor indexes gained Tuesday, after having lost ground the day before.The earnings reports continue to come in, with better-than-expected earnings coming from Marriott.Tyson Foods is the latest company to require workers to be vaccinated to combat COVID-19.Check out more stories from Insider's business page.US stocks rose modestly Tuesday, as more companies reported earnings that exceeded analyst expectations. Investors continued to evaluate developments at the COVID-19 front for their potential impact on economic performance.After falling Monday, major stock indexes rose after a slowdown of the manufacturing sector fuelled growth fears.On Tuesday, more S&P 500 companies published quarterly reports. Marriott provided some insight into the state of the travel industry by posting adjusted earnings for the second quarter that exceeded expectations. Under Armour's quarterly earnings exceeded Wall Street's goal for the athletic wear manufacturer, while Clorox's earnings disappointed due to a surge of demand for cleaning products one year ago.Here are the US indexes at 9:30 AM on Tuesday.We maintain our "glass half-full" outlook for U.S. equity markets. In a Tuesday note, Terry Sandven, chief equity strategist, U.S. Bank Wealth Management stated that rising revenue and earnings, relatively stable inflation, low interest rates, and ongoing monetary-fiscal stimulus policies, as well as COVID-19 medical advancement, support our outlook for rising U.S. Equities in the second half of 2021."Tyson Foods, a meat producer, announced Tuesday that it will require all its US employees to be vaccinated against the coronavirus. McDonald's has mandated that masks must be worn in areas where COVID-19 is high. Home Depot also asks customers to wear masks, and requires workers to do the same.Tencent Holdings lost ground on the markets due to concerns that the Chinese government might target the online entertainment sector as part of an ongoing regulatory crackdown.In a broad interview with Bloomberg, Gary Gensler, chief of Securities and Exchange Commission, stated that he believes investors require more protection from fraud in the cryptocurrency markets. The SEC is currently looking at at least seven market areas including stablecoins and decentralized finance.The price of gold fell 0.2% to $1808.76 an ounce. The 10-year yield of the US Treasury was 1.19%, while long-dated yields have edged up.Oil prices rose. West Texas Intermediate crude oil rose 0.4% to $71.52 per barrel. Brent crude oil, the international benchmark for oil, rose 0.3% to $73.12 a barrel.Bitcoin dropped 1.8% to $38,529.77
