The former government employee used his work computer to carry out trades for himself and on behalf of his mother and a childhood friend, according to the complaint.
A closely-watched measure of market volatility has plunged this week to the lowest level since 1993. Some worry it's a sign that Wall Street is ignoring real risks in the world today.
The name Sinclair Broadcast Group may not be as familiar to Americans as Fox News, Rush Limbaugh or Breitbart, but it has long been an influential force for Republican politicians and political candidates, including Donald Trump. Now it is poised to grow even more powerful.