Omicron cases reported in European countries. Twitter CEO stepping down? Omicron present on global markets.

<p>Julia Chatterley is live from New York. Here are the top business news stories today!</p> <p>World warning! The W.H.O. says the omicron variant risk is very high, travel restrictions tightened. Trending! Unconfirmed reports suggest (again) Twitter CEO Jack Dorsey stepping down. Sell-off suspended! The global risk-off trade on pause…for now.</p> <p>It’s Monday, let’s make a move.</p><p>To learn more about how CNN protects listener privacy, visit cnn.com/privacy</p><p> </p><p>Learn more about your ad choices. Visit podcastchoices.com/adchoices</p>