Nio said the New York Stock Exchange had contacted it after the unusual market activity in its American Depositary Shares.
NIO restricts top eight banks including JP Morgan by tying them up in rare year-long non-compete clauses.
Former Cisco CTO Padmasree Warrior among four Indian-origin women featured in Forbes list of top female US tech moguls
The 2018 Inaugural Top 50 Women In Technology list identifies three generations of forward-thinking technologists leading more than a dozen tech sectors across the globe," Forbes said.
Formula E: Mahindra Racing go from hero to zero in Mexico City ePrix; Audi's Daniel Abt emerges as winner
Mahindra Racing were almost certain of victory but repeated system errors eventually saw the team score their first-ever double DNF (Did Not Finish) in Formula E history.
The car can reportedly give the user up to 500 km on a single charge as compared to approximately 450 km on the Model X.