Conversation so far:
What was Rothstein's firm's income strategy?
Rothstein's investment scheme involved purchasing what were initially mislabeled as fabricated structured settlements, described as where people sell large settlements in legal cases for lump sums of cash.
Was Rothstein's investment scheme which purchases structured settlements for lump sums of cash what happened?
Rothstein stole millions of dollars from an investment side-business. A list of 259 persons or corporate entities entitled to $279 million in restitution has been sealed by the court.

Question: what was rothsteins returns?
Self-contained rewrite: What was Rothstein's returns from the money he stole from an investment side-business?