Despite a lacklustre trade that caused minor losses, some large-cap stocks drove the performance of S&P BSE Sensex resulting in a notable market advancement. ICICI Bank, Maruti, Infosys, Tata Motors, and Titan emerged as the top five gainers for June 26 with significant contributions to the market's upward movement. Investors can analyze their financial performance, market share, growth potential, and other relevant factors to make informed investment decisions. However, thorough research, analyzing financials, and staying updated on market trends are essential before investing.