5 Things to Know Before the Opening Bell 11/21/2025

The 5 things you need to know before the stock market opens today: Netflix, Paramount and Comcast have all submitted bids for Warner Brothers Discovery, Nvidia shares under pressure have driven the markets lower, prediction market Kalshi has raised $1 billion in its latest fundraising round, the CEO of CrowdStrike has taken a stake in the Mercedes Formula One team, and a painting by Frida Kahlo sets records for female artists at auction.

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