Net interest margins continue to increase as rates continue to rise, notes Octavio Marenzi. He talks about the banking sector as big banks kick earnings season into high gear. He goes over how clients are willing to accept low returns on their deposits when they could get over 5% in the treasury market. He looks at how a high-rate environment is affecting banks. He highlights Citigroup (C), Wells Fargo (WFC), and JPMorgan Chase (JPM) earnings. Tune in to find out more about the stock market today.