Conversation so far:
What was the SEC insider trading allegations about?
(SEC) filed a civil suit against Cuban relating to alleged insider trading in the shares of Mamma.com, now known as Copernic.
What was Cuban's defense?
Cuban contended the facts were false and that the investigation was "a product of gross abuse of prosecutorial discretion".
When were these allegations brought up?
On November 17, 2008.
Did Cuban successfully defend himself against these allegations?
A federal jury in Texas found in favor of Cuban on October 16, 2013.

Question: What did Cuban do after he was cleared of the allegations?
Self-contained rewrite: What did Cuban do after being cleared of the insider trading allegations?