Chinese EV maker Nio raises doubts about its future

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NUVEEN MUNICIPAL OPPORTUNITY FUND, Inc. (NYSE: NIO) Delayed: 4.52 -0.12 (2.59%)
Previous Close $4.64    52 Week High $14.86 
Open $4.65    52 Week Low $13.31 
Day High $4.65    P/E N/A 
Day Low $4.48    EPS $0.00 
Volume 16,982,215       

TESLA MTRS (NASDAQ: TSLA) Delayed: 307.97 -11.72 (3.67%)
Previous Close $319.69    52 Week High $269.32 
Open $320.72    52 Week Low $141.05 
Day High $322.96    P/E N/A 
Day Low $307.80    EPS $-0.62 
Volume 45,137,835