Conversation so far:
What happened to Michael Bloomberg in his business career
Michael Bloomberg became a general partner at Salomon Brothers, a bulge bracket Wall Street investment bank, where he headed equity trading and, later, systems development.
When did Michael Bloomberg become a general partner at Salomon Brothers, a bulge bracket Wall Street investment bank, where he headed equity trading and, later, systems development
Michael Bloomberg became a general partner at Salomon Brothers in 1973
What happened next after 1973 when Bloomberg became a general partner at Salomon Brothers, a bulge bracket Wall Street investment bank, where he headed equity trading and, later, systems development
Salomon Brothers was bought, and Bloomberg was laid off from the investment bank. He was given no severance package, but owned $10 million worth of equity as a partner

Question: What did they do
Self-contained rewrite: What did Michael Bloomberg do after he was given no severance package, but owned $10 million worth of equity as a partner