Key Insight: Bankers are hopeful that regulators will increase the asset size for Category IV banks, a key regulatory threshold that's currently set at $100 billion.What's at Stake: Raising the threshold could lower costs and reduce regulatory burdens for banks, including those that are approaching the $100 billion threshold.Forward Look: Bankers will be watching for action from regulators.Bankers, analysts and investors are increasingly optimistic that a key asset threshold used in the oversight of regiona ...