POET Technologies’ stock is rocketing. What’s behind the company’s controversial AI-powered rise.

The photonics company’s stock has run up more than 70% this week on speculation of a major hyperscaler partner, even as short sellers warn of a “tax nightmare.”

​The photonics company’s stock has run up more than 70% this week on speculation of a major hyperscaler partner, even as short sellers warn of a “tax nightmare.”