The stock market tumbled with President Trump imposing huge China tariffs after the close. Oracle, JPMorgan, Taiwan Semi are on tap. Is Tesla's chart healthy?

Having hit a record high of 9548 on Wednesday, the FTSE 100 index followed up a 0.4 per cent dip on Thursday with a slide of ...

The selloff raises concerns that high stock market valuations propelled by enthusiasm over artificial intelligence might lead ...