Check out the companies making the biggest moves premarket: Nvidia , Microsoft — The hyperscalers were rising after Nvidia, in a collaboration with Microsoft, revealed a new processor for personal computers . Nvidia was up 2%, while Microsoft was rising nearly 4% in premarket trading. Dell , HP , Arm — Derivatives of Nvidia’s computer chip announcement were also jumping on the news. Dell and HP, which are set to manufacture computers featuring the new chip, rose 1.5% and more than 3.5%, respectively. Arm, whose technology was used by Nvidia to develop the new chip, was surging 14.5%. Qualcomm , Intel , Advanced Micro Devices — As Nvidia rose, its chipmaking competitors fell. Qualcomm tumbled 9.5%, while Intel shed more than 6.5%. Advanced Micro Devices was off more than 4% too. Taylor Morrison Home — Shares surged almost 23% after Berkshire Hathaway agreed to acquire the company for $6.8 billion. Berkshire CEO Greg Abel called Taylor Morrison a best-in-class homebuilder and said the addition to the company’s portfolio will help deliver homeownership to more Americans. Berkshire shares were slightly lower. Yum Brands — The restaurant operator was up 1.5% after Bloomberg News reported that the company is in talks to sell its Pizza Hut brand to LongRange Capital. Summit Therapeutics — The stock rose 2.5% after a late-stage Chinese trial showed the company’s experimental lung cancer drug reduced t …
