Türkiye’s Borsa Istanbul BIST 100 index rose 3.14% on Tuesday, October 20, 2026, reaching 11,788.90 points. The benchmark gained 358.76 points compared with its previous close, while its intraday high reached 11,806.76 points. Buying activity in industrial, technology and electricity-related stocks featured in market assessments, with ASELS, BIMAS and TUPRS...