CNBC

Here are five key things investors need to know to start the trading day.

Pressure has been building on Nvidia over the past month. It seemed like Nvidia felt the need to address some of those rumblings.

Uber’s launch in the United Arab Emirates capital represents its fourth market offering fully autonomous vehicle service.

The probe comes as Amazon faces stiffer competition from Walmart, which has also begun drone deliveries.

Pressure has been building on Nvidia over the past month. It seemed like Nvidia felt the need to address some of those rumblings.

Workday shares slid more than 5% in extended trading Tuesday after the company issued quarterly margin guidance that came in below Wall Street projections.

GM is combining its vehicle software engineering and global product units under one organization, led by new Chief Product Officer Sterling Anderson.

“HP’s outlook reflects the added cost driven by the current U.S. trade-related regulations in place, and associated mitigations,” the company said.

Dell is an important bellwether for the health of the AI infrastructure industry as one of the top vendors for systems based around Nvidia graphics processors.

It was in response to Wall Street’s concern that Google’s TPU chips could threaten Nvidia’s dominance of the AI infrastructure industry on Tuesday.