A Pentagon investigation has faulted US Defense Secretary Pete Hegseth for using Signal on his personal device to transmit sensitive information about planned strikes in Yemen, saying it could have endangered US troops if intercepted.

The Trump administration has ordered increased vetting of applicants for H-1B visas for highly skilled workers, with anyone involved in “censorship” of free speech considered for rejection, according to a State Department cable seen by Reuters.

Citadel, the hedge fund founded by billionaire Ken Griffin, has launched a new artificial intelligence-powered tool that aims to help investors conduct research on stocks faster and more efficiently, the firm’s chief technology officer said.