Intel, UnitedHealth and DR Horton rise premarket; Applied Materials slumps

Published 15/08/2025, 12:42

Investing.com -- U.S. stock futures traded in a mixed fashion Friday ahead of a summit between U.S. President Donald Trump and Russian President Vladimir Putin to discuss a possible ceasefire in Ukraine.

Here are some of the biggest premarket U.S. stock movers today:

  • Unitedhealth (NYSE:UNH) stock rose 11% after Warren Buffett’s Berkshire Hathaway disclosed a new investment in the deeply unpopular health insurer.

  • Intel (NASDAQ:INTC) stock rose 1.4%, adding to earlier gains, following a Bloomberg report that the Trump administration is discussing the possibility of the U.S. government taking a stake in the chipmaker.

  • Applied Materials (NASDAQ:AMAT) stock tumbled 14% after the chip equipment maker issued weak fourth-quarter forecasts on sluggish China demand, fueling concerns over tariff-related risks.

  • DR Horton (NYSE:DHI) stock rose 3.4% and Lennar (NYSE:LEN) gained 4% after Berkshire Hathaway also boosted its bet on home builders, revealing a new stake in the former and a significantly larger stake in the latter.

  • Target (NYSE:TGT) stock fell 1.6% after Bank of America downgraded its stance on the retailer to “underperform” from “neutral”, citing a “deteriorating” long-term outlook and growing competitive pressure from major competitors.

  • SanDisk (NASDAQ:SNDK) stock slumped 10% despite a strong quarterly result as the flash memory manufacturer suffered pressure from bearish momentum.

  • Tapestry (NYSE:TPR) stock rose 1.9% after Wells Fargo lifted its price target on the fashion house, keeping an “overweight” rating, saying the recent sell-off is overdone.

  • Twilio (NYSE:TWLO) stock rose 3.8%, with the cloud communications company set to join the S&P MidCap 400 index following UnitedHealth’s acquisition of Amedisys.

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