All three major US stock indexes were slightly higher in late-morning trading Wednesday as Wall Street braces for President Donald Trump to unveil his tariff plans at 4 p.m. ET.

In company news, Tesla delivered 336,681 vehicles in Q1, a 32.1% sequential drop and a 13% from the year-ago period. Analysts polled by FactSet expected 408,000. The electric-vehicle maker produced 362,615 vehicles in Q1, down from 459,445 in the previous quarter and from 433,371 in the year-ago quarter. Tesla shares were up 2.9% around midday.

ByteDance, Alibaba Group (BABA), Tencent Holdings and other Chinese companies placed at least $16 billion worth of orders for Nvidia's (NVDA) H20 server chips in the first three months of the year in an effort to get out in front of a potential US ban on the sale of the chips in China, The Information reported Wednesday, citing two people with direct knowledge of the transactions. Alibaba shares were down 1.9%, while those of Nvidia were up 0.3%.

ConocoPhillips (COP) is considering selling the Oklahoma oil and gas assets it inherited from its takeover of Marathon Oil last year, Reuters reported Wednesday, citing people familiar with the matter. The assets, located in the Anadarko basin, are expected to fetch over $1 billion, the people reportedly told Reuters. ConocoPhillps shares were up 0.1%.

Stellantis (STLA) reported late Tuesday that its total US sales declined 12% year over year in Q1. Separately, Stellantis has laid off 350 workers from its plants in Pratola Serra and Pomigliano in southern Italy, an Italian trade union representing the workers said on Wednesday. Stellantis shares were up 0.1%.

Ben & Jerry's co-Founder Ben Cohen asked Unilever (UL) to set the brand free amid the company's plans to spin off its ice cream assets, The Wall Street Journal reported Wednesday. Cohen is working to find investors to buy Ben & Jerry's from Unilever, according to the report. Unilever shares were up 0.8%.

Domino's Pizza (DPZ) said Wednesday it has joined DoorDash's (DASH) Marketplace platform under a new patnership with the company. Orders on the platform will be delivered by Domino's drivers, the company said, adding that a pilot program is already underway in certain locations, with a planned US launch in May and across Canada later this year. Domino's shares were flat while those of DoorDash were up 3.2%.