The New York Stock Exchange has traders on it.
Wang Ying/ Xinhua.
The S&P 500 was up 0.7 percent, with investors keeping the Santa Claus rally moving forward.
The S&P 500 was on course for a fifth day of gains that would mark the benchmark's 70th record closing high for the year.
If people have no symptoms, the Centers for Disease Control and Prevention will shorten the isolation time from 10 days to five days. The seven-day moving average of cases has been 206,577 since late November, but the CDC made that move even as its data show that the number of coronaviruses has risen.
The US indexes stood at 9:30 a.m. on Tuesday.
Apple closed all of its New York City stores because of the rising coronaviruses cases. If Apple's market cap crosses over $3 trillion, investors will keep an eye on it.
The stock price of the company rose after a research firm said that it expects the stock to jump 28% in 2022.
Oil prices went up. The price of West Texas Intermediate crude moved up. The international benchmark gained 1.4%.
At $1,818.50 per ounce, gold was added on.05%. The 10-year yield increased by 1 basis point.
The price of the digital currency fell by 3.6%.
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