NIO (NIO) appoints new independent director

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NUVEEN MUNICIPAL OPPORTUNITY FUND, Inc. (NYSE: NIO) Delayed: 3.42 +0.05 (1.48%)
Previous Close $3.37    52 Week High $14.86 
Open $3.42    52 Week Low $13.31 
Day High $3.47    P/E N/A 
Day Low $3.40    EPS $0.00 
Volume 26,204,923