One eBay owner said that it's "disconcerting to pump and dump, if that is how it plays out."

It's making an unsolicited offer to buy the U.S. online marketplace.

GameStop CEO Ryan Cohen joins 'Squawk Box' to discuss details of the company's offer to buy eBay for $56 billion, the rationale behind the offer, how the combined company would…

One eBay owner said that it's "disconcerting to pump and dump, if that is how it plays out."

Traders on Kalshi and Polymarket give the company just a 25% and 15% chance, respectively, of successfully buying the online marketplace.

The "Big Short" investor said the proposed deal's enormous leverage shattered the investment case he had been building.

The combined company would need to maintain an investment-grade credit profile, GameStop's mysterious financing letter said.