(Bloomberg) -- Morgan Stanley analysts are turning bullish on major US banks on expectations that pending regulatory changes for higher capital levels will be less onerous than the current proposal, opening the door for an increase in buybacks.Most Read from BloombergMusk Says First Neuralink Patient Received Implant in BrainMusk Risks Losing World’s Richest Title After Pay Package VoidedTech Giants Slide in Late Trading After Earnings: Markets WrapUPS CEO Kicks Off Productivity Drive by Cutting