What are zero-day options?

Chuck Zodda and Mike Armstrong explain what zero-day options are and why they drove markets down yesterday. Is Santa bringing investors trash for Christmas? Warner and Paramount CEOs discussed possible merger of the companies. Biden administration explores raising tariffs on Chinese EVs. Trailing other states, Massachusetts kicks off EV charging program. Ikea says products will be delayed due to Red Sea diversions. Bird, an electric scooter company files for bankruptcy.