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The DowFollowing Friday’s fall, was set to bounceAs investors watch the Covid Omicron variant, 200 points will be available to begin the week. Average of 30 stocks sank 905 points2.5% in Friday’s Post-holiday Short Session, as part of a global sale-off, triggered by South Africa discovering what was later termed a “variant Of Concern” by the World Health Organization. There are S&P 500The tumbled by 2.3% NasdaqThe index fell 2.2%. For the week, all three benchmarks fell 2.2%. The sharp fall on Friday was followed by a rebound. 10-year Treasury yieldOn Monday, it was at over 1.54% U.S. oil pricesThey rose 5% to over $71 per barrel on Monday, following Friday’s 13% decline. BitcoinIt rose 4% to more than $57,000 Monday, after falling to about $53,500 the previous week.

Anthony Fauci, White House chief Medical Advisor, stated Sunday that Americans must be ready to take on any challenge. “anything and everything”Omicron can be defeated. The spike protein is mutated in several ways, and this variant could increase antibody resistance and transmitsibility. Fauci indicated that more details on the transmissibility, severity, and other characteristics of omicron will be revealed over two weeks. Fauci is the leading U.S. expert on infectious diseases and stated to ABC’s “This Week” that it was still too early to know whether new mandates or lockdowns are appropriate.

The WHO urgedCountries around the world are not imposing flight bans against southern African nations because of concerns about omicron. Non-U.S. citizens will be restricted from traveling to South Africa, Botswana and Zimbabwe. It has also been discovered in Australia, Israel and Belgium. The American omicron is yet to be discovered. Airlines stocks fell Friday due to fears of new travel bans. They were however able to bounce higher on Monday, despite the stronger stocks.

Vaccine makers, including Moderna, Pfizer Johnson & JohnsonThey said that they are still studying the omicron variant, but it is not clear if current vaccines will work or if new formulations will be needed. Moderna stated that it may soon release a new vaccine. CNBC’s Stephane Bancel, CEO of Moderna, said Monday that he expects the current vaccines against omciron to become less effective. Bancel said the variant can be found in many countries but travel restrictions could slow it down and save lives.

According to estimates, U.S. retail stores generate approximately $2.5 trillion annually online sales of up to $11.3 billionCyber Monday is a lower growth day than a previous year, as shoppers are less likely to shop for the best deals and have fewer options due to disruptions in global supply chains. Black Friday: High traffic in retail shops dropped 28.3% compared with 2019Sensormatic Solutions’ preliminary data shows that Americans have started to shop earlier and moved more of the spending they do online. Black Friday traffic increased by 47.5% compared to last year.

— The Associated Press and Reuters contributed to this report. You can follow all market activity like a professional. CNBC Pro. Find the most recent information about the pandemic here CNBC’s coronavirus coverage.