HDFC Bank shares, previously rising due to potential MSCI weightage increase, fell over 3% on Friday to Rs 1,665.55 on BSE. This decline followed a sharp drop in CASA ratio in its June quarter update. Deposit growth was soft at 15.3% YoY (pro-forma), flat sequentially, with CASA declining 5% QoQ, lowering CASA ratio by 190 bps to 36%