Shares of Nio Inc. tumbled 15.1% toward a three-month low in afternoon trading Tuesday, after the electric vehicle maker announced plans for a $1 billion.
Nio's stock fell Wednesday amid concerns about the European Union's investigation into government subsidies that China-based electric vehicle makers receive.
The U.S.-listed shares of Nio Inc. slumped 0.8% toward a fourth-straight loss Friday, to reverse an earlier gain of as much as 0.7%, even after upbeat.