 Moodys Investors Service Moodys has placed on review for downgrade the Aa3 ratings assigned to preferred shares issued by the following 12 closed-end funds: Eaton Vance Floating-Rate Income Plus Fund EFF, Eaton Vance Floating-Rate Income Trust EFT, Eaton Vance Senior Floating-Rate Trust EFR, Eaton Vance Senior Income Trust EVF, Eaton Vance Limited Duration Income Fund EVV, FS Global Credit Opportunities Fund FSGCO; unlisted, Invesco Senior Income Trust VVR, Invesco Dynamic Credit Opportunities Fund VTA, Nuveen Short Duration Credit Opportunities Fund JSD, Nuveen Floating Rate Income Opportunity Fund JRO, Nuveen Senior Income Fund NSL and Nuveen Floating Rate Income Fund JFR. Todays rating actions reflect the severe and extensive credit and market shocks the coronavirus pandemic and falling oil prices have had on the bank loan market. 