Hindenburg Research, known as a corporate muckraker, is shutting down after completing its investigations. Major cases include the Adani Group and Nikola Corporation.

Nathan Anderson, whose activist short-selling firm Hindenburg Research became famous in financial circles by publishing a video of a truck rolling down a hill, is calling it quits.

Hindenburg Research's founder Nathan Anderson announced on Wednesday he would disband the firm whose short reports on companies typically led to sharp plunges in the stock prices, and in some cases, investigations by authorities.