Sergey Aleynikov has conviction dismissed out of hand by appeal judges after serving a year for copying trading software A former Goldman Sachs computer programmer has been freed from prison after a surprise ruling from a federal appeals court quashed his conviction for stealing computer code. "Justice occasionally works," said Russian-born Sergey Aleynikov, who walked free after serving one year out of a sentence of eight years or more. Aleynikov, a naturalised US citizen who emigrated from Russia in 1990, was first arrested in July 2009 as he returned from a trip to Chicago to the offices of his new...