Here's the reaction from CNBC's Jim Cramer on U.S. President Donald Trump's proposed 50% tariff on copper. Bad news for data centers and Tesla, he reckons. Tesla shares are up 1.3% in premarket action ...

Tesla ( TSLA 1.35%) stock is on the move again, and for the wrong reasons. The automaker's stock fell 7% on Monday after Wedbush analyst Dan Ives issued a grim report in response to CEO Elon Musk's ...