Shortly after leaving Goldman Sachs Group, Inc. (NYSE:GS) to build a new trading platform for the hedge fund Teza Technologies, Sergey Aleynikov was arrested by the FBI and later sentenced to eight years in prison by a prosecution and jury who didn’t understand his supposed crime. Michael Lewis published the first of his two-part investigation into the trial on Vanity Fair today (the second part is due tomorrow), focusing on Sergey Aleynikov’s background and his role at Goldman Sachs. Sergey Aleynikov makes a name for himself Sergey Aleynikov, who immigrated to the US from Russia at 19, initially struggled to learn…