Shares of technology companies were higher amid some big personnel announcements.

Qualcomm on Tuesday said Chief Executive Steve Mollenkopf will step down in June after leading the mobile-phone chip giant through an unusually tumultuous period. The company named Cristiano Amon as Mr. Mollenkopf's successor, handing over the reins as Qualcomm aims to exploit rising demand for superfast 5G phones and leave behind a period of legal struggles.

Meanwhile, IBM appointed Gary Cohn, a former Goldman Sachs executive and economic adviser to President Trump, as its vice chairman and member of its executive leadership team as the tech company tries to revive its fortunes.

Amazon.com can't use its cloud-computing business's AWS logo in China, a Beijing court ruled, the latest headache for a company that has already been hampered by Chinese regulations and rivals.

Nintendo agreed to buy Vancouver-based software developer Next Level Games for an undisclosed sum in a bid to improve its quality and speed of its game development.

Write to Amy Pessetto at amy.pessetto@dowjones.com

(END) Dow Jones Newswires

01-05-21 1718ET