Sanmina (SANM) Soars 48.7%, Whirlpool (WHR) Tumbles 27% in Electrical Systems Q1 Mixed Results

Electrical systems stocks delivered diverging fortunes in Q1 2026 results, with Sanmina (NASDAQ:SANM) surging 48.7% after revenue more than doubled to $4.01 billion, while Whirlpool (NYSE:WHR) plunged 27% on a 9.6% sales decline and sharply lowered full-year EPS guidance. The 14-stock group collectively beat revenue estimates by 3.4%, yet next-quarter guidance trailed by 1.3%. Vertiv (NYSE:VRT) met expectations with a 30.1% revenue gain to $2.65 billion and lifted its annual profit outlook. GE Vernova (NYSE:GEV) exceeded estimates as revenue rose 16.3% to $9.34 billion. Sector demand was supported by 5G upgrades and data center buildouts, but broader market psychology has pivoted from AI anxiety to geopolitical risk around the U.S.-Iran conflict, which has steadied these stocks with an average 2.1% gain since reporting.