Complex sentence: At that time Michael Saylor was labeled as a person who had lost more money in a single day than anyone other than Bill Gates when his personal net worth plummeted $6 billion on March 20,2000.
Split into simpler sentences: At that time Michael Saylor was labeled as a person who had lost more money in a single day than anyone other than Bill Gates. Saylor's personal net worth plummeted $6 billion on March 20,2000.