Donald Trump has vowed not to sell his Trump Media shares after a lock-up period expires Thursday. The company's shares are down 81% from their peak.

Donald J. Trump, the company’s largest shareholder, has said he won’t sell when a lockup agreement expires on Thursday. But other large investors could.

After getting a bump last week, shares of Trump Media and Technology Group ( Nasdaq: DJT) are falling once again, nearing the lowest point since the parent company of Trump’s Truth Social platform went public via a special purpose acquisition company (SPAC) merger in March.

Shares of Donald Trump’s social media company areexperiencing another bout of turbulence following the latest assassination attempt against the former president and face of Truth Social.

Investors swiftly penalized Trump’s social media business following the former president’s widely panned debate performance. Other so-called Trump trades, including bitcoin and Coinbase, went into reverse Wednesday, while bonds and Asian currencies rallied. And some funds that own solar and other clean energy stocks rose sharply.

A federal judge in Delaware has ruled in favor of a firm seeking assurance that it will be able to sell its minority stake in Donald Trump's Truth Social platform.