Martin Shkreli Is Back on Social Media, Giving Tips on Investing

Martin Shkreli is going all in on social media, finding an audience for his investing advice after being released from prison in May.

In the four years that the “Pharma Bro” was behind bars for securities fraud, a lot changed. A mob of retail traders sent meme stocks like GameStop Corp. soaring, non-fungible tokens of monkeys burst into the market and investors made and lost millions on crypto coins. These days, he’s dabbling in all of it.

Shkreli has an Instagram account under his name that links to other accounts on TikTok, YouTube, Facebook, Substack, Twitch, Discord and OnlyFans. He also has a Twitter account under the pseudonym Enrique Hernandez, ...