MUMBAI: Shares of HDFC Bank, India’s largest private sector lender, surged above the Rs 1,800-mark to hit a fresh all-time high of Rs 1,803.55 on Monday, driven by a surge in trading volumes following the implementation of the Morgan Stanley Capital International November rebalancing. Since the reverse merger with its parent company, HDFC, in July 2023, HDFC Bank's stock had …