Nikola admits rolling truck down hill as it counters 'fraud' claims
By Peter Campbell & Claire Bushey
Electric truck maker Nikola's shares fall as SEC, DOJ reportedly examine short seller's fraud claims
By Michael Wayland
Nikola (NKLA) admits to faking video of driving prototype in weak response to allegations
By Fred Lambert
Electric trucking startup Nikola defends itself from short-seller fraud allegations
By Andrew Hawkins
Nikola disputes fraud claims in carefully worded rebuttal
By Kirsten Korosec