Legrand is trading at €127.70, down 4.56%, amid sector pressure ahead of its nine-month results. - The November 4 sell-off preceded results due November 5; Legrand was among the CAC 40’s weakest stocks as European markets rose. - Schneider Electric and STMicroelectronics also fell, with no clearly identified company-specific negative announcement. - On November 5, Legrand reported strong nine-month sales growth and raised its 2026 sales-growth outlook; the results followed, rather than explained, the decline.