Full Coverage
Nikola founder Trevor Milton steps down after fraud allegations
By Claire Bushey, Peter Campbell & Harry Dempsey
Nikola Corp Versus Hindenburg Research: Who Should You Trust?
By Kelly Anne Smith
Nikola founder Trevor Milton to voluntarily step down as executive chairman; stock plunges
By Martin Steinberg & Christine Wang
Nikola founder Trevor Milton steps down as chairman in battle with short seller
By Charles Riley & Peter Valdes-Dapena