KEY POINTS Kazakhstan-based Freedom Holding is helping Russian oligarchs to circumvent sanctions and launder money, according to a Hindenburg Research report. The $4.6 billion online brokerage company has an offshore company in Belize that Hindenburg claims is being used for money laundering. Freedom's shares sold off slightly on Tuesday but have risen sharply in recent years. Failure to file quarterly and annual returns with the NASDAQ. Hindenburg Research, a well-known short seller, is actively selling shares of Freedom Holding Corp. (Nasdaq: FRHC), a $4.6 billion online...