There are companies for whom stock price in meaningful, and other companies where prices are fueled by teh greater fools theory.

Meta is huge, it's a staple of numerous large funds and practically every American investor out there owns a stake in it. Significant movement in their stock price indicates something is going on.

Truth Social is a meme stock whose price is driven up by people looking to make a quick buck playing hot potato. Very few holders give a damn about the long-term viability of the company. Most are looking to ride the pump-and-dump.