NMCO - A Healthy Correction In The Muni Market March, 11 2021 08:58 AM Nuveen Municipal Credit Opportunities Fund Rising interest rates drove negative muni bond performance in February. Rich muni bond valuations recalibrated, considerably re-setting muni-to-Treasury ratios. As markets often overcorrect, a continued sell-off could create an attractive buying opportunity. For further details see: A Healthy Correction In The Muni Market