Commercial mortgage-backed securities (CMBS) delinquency rates climbed to 7.03% in April — the highest reading since early 2021. By the numbers: Trepp reports a 38-basis-point increase from March and a nearly 200-basis-point jump year-over-year, bringing the total balance of delinquent loans to $41.9 billion. While 91.62% of loans remain current, early-stage delinquencies and non-performing balloon…