Eric Trump and Donald Trump Jr. celebrated a deal with Alt5 Sigma that generated roughly $500 million for the Trump family. The company's shares are down 93%.

Eric Trump and Donald Trump Jr. celebrated a deal with Alt5 Sigma that generated roughly $500 million for the Trump family. The company's shares are down 93%.

A Reuters investigation found the Trump family generated at least $2.3 billion from four crypto ventures since returning to the White House, while more than a million investors…