 CHICAGO--BUSINESS WIRE--RiverNorthDoubleLine Strategic Opportunity Fund, Inc. the Fund NYSE: OPP announces that its Board of Directors the Board has authorized and set the terms of an offering to the Funds stockholders of rights to purchase additional shares of common stock of the Fund. In this offering, the Fund will issue transferable subscription rights Rights to its stockholders of record as of September 7, 2021 the Record Date and such stockholders Record Date Stockho 