U.S. stock futures traded in tight ranges Tuesday in cautious anticipation of news emerging from ongoing trade talks between Chinese and U.S. representatives in London.
Here are some of the biggest premarket U.S. stock movers today:

Apple (NASDAQ:AAPL) stock fell 0.3%, adding to the previous session’s losses as the iPhone maker’s keynote address at its yearly developers conference included only incremental improvements to its artificial intelligence features.

Tesla (NASDAQ:TSLA) stock rose 2.2% after President Donald Trump took a more neutral tone toward CEO Elon Musk in a press conference after the close relationship between the two blew up in public last week.

Nvidia (NASDAQ:NVDA) stock rose 0.3% and Hewlett Packard Enterprise (NYSE:HPE) rose 1.2% after the tech companies said they are partnering with the Leibniz Supercomputing Centre to build a new supercomputer using Nvidia’s next-generation chips.

Designer Brands (NYSE:DBI) stock slumped 7.8% after the footwear retailer reported first-quarter earnings that fell short of analyst expectations, withdrawing its full-year guidance amid macroeconomic uncertainty in the process.

JM Smucker (NYSE:SJM) stock fell 7.9% after the consumer foods group missed its quarterly earnings forecast, flagging a "dynamic and evolving external environment" stemming from recent trade tensions.

McDonald’s (NYSE:MCD) stock fell 1.3% after Redburn downgraded its stance on the fast food giant to “sell” from “buy”, saying that appetite-suppressing drugs pose an underestimated long-term threat to consumer demand.

Drugmakers Moderna (NASDAQ:MRNA), Pfizer (NYSE:PFE), GSK (NYSE:GSK) and AstraZeneca (NASDAQ:AZN) shares all slipped lower after Health Secretary Robert F. Kennedy Jr. ousted all 17 members of a U.S. Centers for Disease Control and Prevention panel of vaccine experts, potentially lengthening the time it takes for vaccines to be approved.

IBM (NYSE:IBM) stock rose 1% after the tech giant said it plans to have a practical quantum computer by 2029, and it laid out the detailed steps to get there.

Walt Disney (NYSE:DIS) stock rose 0.2% after the entertainment giant agreed to pay Comcast (NASDAQ:CMCSA), up 0.1%, just over $438 million to acquire its stake in streaming service Hulu.