America in mourning after another mass shooting. Western nations impose sanctions on China over Xinjiang abuses. US regulators raise new questions over AstraZeneca vaccine data.

<p>Julia Chatterley is live from New York. Here are the top business news stories today!</p> <p>America is in mourning once again after another mass shooting - ten people lost their lives after a gunman opened fire inside a Colorado grocery store on Monday. Sanction swap - Western nations impose sanctions on China over Xinjiang abuses. Data debate - US regulators raise new questions over AstraZeneca vaccine data.</p> <p>It’s Tuesday, 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...