All three major US stock indexes were up in late-morning trading Friday, as investors looked to close a solid week of gains despite the ongoing government shutdown.

In company news, a US Army battlefield communications system being developed by Palantir (PLTR) and Anduril has been designated as "very high risk" due to serious security vulnerabilities, Reuters reported Friday, citing an internal Army memo. The $100 million prototype, part of a broader modernization push, allows users access to sensitive data without proper clearance or activity tracking, the memo said, according to the report. Palantir shares were down 3.9% around midday.

Nvidia (NVDA) and Fujitsu plan to work together on artificial intelligence for smart robots and other innovations in Japan, Fujitsu said Friday. Separately, Nvidia's delivery of AI chips to the UAE is facing delays as the US Commerce Department wants the Middle Eastern nation to finalize investment plans in the US before approving the shipments, The Wall Street Journal reported Thursday, citing sources familiar with the matter. Nvidia shares were up less than 0.1%.

Rivian Automotive (RIVN) is planning to redesign the doors on its electric vehicles to address potential safety issues raised by workers and customers, Bloomberg reported Friday, citing people familiar with the matter. The company wants to incorporate a manual release that is more easily visible and closer to the electrically powered interior handles in the rear doors of R2, set to be released in the first half of next year, the report said, citing the people. Rivian shares were up 0.3%.

Tesla (TSLA) has retained its leadership position in US EV sales this year, while General Motors (GM) has made big gains, as consumers rushed to buy EVs before federal incentives expired, driving record domestic sales, CNBC reported Friday, citing data from Motor Intelligence. US consumers bought over 1 million EVs through the first nine months of the year, and sales set a new quarterly record of over 438,000 units in Q3, the report said, citing the data. Tesla is estimated to hold a 43.1% market share through September, down from 49% at the end of 2024 but still the top spot. GM's market share has grown to 13.8% this year through Q3 from 8.7% at the start of the year, the data showed, according to the report. Tesla shares were down 1.6%, while those of GM were down 0.3%.

Applied Materials (AMAT) said late Thursday in a regulatory filing it expects a reduction in revenue of about $110 million in fiscal Q4 and $600 million in fiscal year 2026 due to a new Commerce Department rule that is expected to further limit the company's ability to export some products and offer parts and services to certain customers in China without a license, Applied Materials said. Shares of the company were down 3%.

BlackRock-owned (BLK) Global Infrastructure Partners is in late-stage talks to buy Aligned Data Centers in a deal that could value the company at around $40 billion, Bloomberg reported Friday, citing people familiar with the matter. BlackRock shares were up less than 0.1%.

Chevron (CVX) said Friday its fire department personnel and emergency responders actively responded to an isolated fire at the company's El Segundo refinery in Los Angeles County. Chevron shares were nearly flat.

Price: 180.26, Change: -6.79, Percent Change: -3.63