Teacher Retirement System of Texas bought large amounts of Palantir, Nvidia, and Tesla, and slashed it's AT&T stake in the ...

The Teacher Retirement System of Texas has taken a stake in Palantir, ... Palantir Technologies (PLTR 1.62%) stock continued to run higher on Tuesday, climbing as much as 4.9%.

Palantir was founded in 2003 by Cohen, Peter Thiel, Joe Lonsdale, and Alex Karp. It provides businesses and militaries, including those of the US, Israel, and Ukraine, with AI models.

It may not be a household name, but Palantir is now one of the world's most valuable companies. Its "spy tech" is set to gain more government and military work in the Trump administration.