Futures tumble as China's DeepSeek up-end Nvidia and AI stocks. Tesla, Meta, Microsoft and Apple headline earnings this week.

Tesla launched the refreshed Model Y in the US last week, with marked differences in how it launched the refreshed Model 3 a year ago.

If you're a heavy PayPal user, it can be one of the most lucrative cash-back cards on the market. But the card's 1.5% rate on all other purchases is easily matched or bested by others.

A supposed asteroid turned out to be a Tesla model flying through space as a PR stunt. Such mix-ups are increasingly becoming ...