Although banks are currently able to borrow at record low interest rates, the rates they are currently able to lend at are also very depressed at the moment, leading to a tight squeeze on the income that banks are receiving currently from their net interest margin income. In this video, Motley Fool financial analyst Matt Koppenheffer looks at a few banks that are heavily concentrated in the other major banking revenue stream, fee-based banking, which is more insulated against this margin compression.