Several companies made significant premarket moves. Alphabet rose 2% after unveiling Gemini 4 Argon, its most advanced artificial intelligence model yet, with improvements in cybersecurity, coding and complex professional work. Accenture surged 17% after fiscal fourth-quarter revenue reached $18.68 billion, above its guidance range of $17.75 billion to $18.4 billion and FactSet's $18.3 billion consensus, while earnings of $3.29 per share also exceeded expectations. Rocket Lab gained 4.5% after signing a multiyear agreement with Toyoko-based Synspective for 20 Electron missions, its largest commercial Electron contract to date. McCormick climbed nearly 5% after adjusted earnings of 86 cents per share and revenue of $2.02 billion topped FactSet estimates of 76 cents and $1.98 billion, respectively. Dollar Tree rose 1.3% after Loop Capital upgraded the stock to buy from hold, citing a favorable U.S. macroeconomic backdrop ahead of the holiday selling season. Nu Holdings added nearly 6% after denying media speculation that it was pursuing an acquisition of U.K. digital bank Monzo. Micron reported better-than-expected fiscal fourth-quarter results, with adjusted earnings of $33.42 per share on $54.23 billion in revenue, versus LSEG estimates of $31.61 and $51.07 billion, but its shares slipped slightly. The Roundhill Memory ETF gained more than 1% and the VanEck Semiconductor ETF rose 1%.