It's been less than two months since Donald Trump took office as the nation's 47th president, but some of his administration's policy changes have landed like thunderbolts on the political stage.

Tech billionaire and senior President Trump adviser Elon Musk visited the National Security Agency (NSA) this week after calling for an “overhaul” of the agency earlier this month.

The unannounced visit suggests Musk’s drive to slash the federal workforce now extends to a secretive agency known as the ...

Liam Denning is a Bloomberg Opinion columnist covering energy. A former banker, he edited the Wall Street Journal’s Heard on ...

Unlike the rest of the group, Tesla is a richly valued, highly volatile stock that trades on hopes for the future rather than ...