Shares of technology companies rose as artificial-intelligence mania lingered.

Internet powerhouse Amazon.com and chipmaker Nvidia said they are expanding their strategic collaboration on building out the next-generation of generative artificial intelligence services and infrastructure.

Micron shares fell even after the memory-chip maker raised its growth projections, reflecting the high expectations for semiconductor firms, which have already logged torrid gains for the year to date.

Software maker Adobe shares rose even after reports that United Kingdom antitrust regulators are considering blocking its attempt to buy rival design sofware maker Figma.

"Most investors believe the deal will be blocked by regulators and see this as a positive given an expensive deal, high dilution, and a core business working well," said analysts at brokerage Morgan Stanley.

Online spending on Black Friday reached record levels, and Cyber Monday is expected to be the biggest online shopping day ever, as inflation-fatigued shoppers zero on in the biggest holiday discounts.


Write to Rob Curran at rob.curran@dowjones.com

(END) Dow Jones Newswires

11-28-23 1732ET