Sensex up 115 points to 74,974.61, Nifty gains 40 points to 23,455.60 in midday trade. The benchmarks are trading higher for the second consecutive session, building on Monday's strong rally. Top Sensex Gainers: Coal India Ltd surges 3.12% to ₹427.65, leading the market rally. HDFC Bank rises over 1% on CEO succession buzz, trading near ₹747. Titan Company advances 1.44% to ₹4,945. Dr...