A British trader who caused a 'flash crash' that sent stock market into dive 10 years ago avoids more prison time at Chicago sentencing. 'I could never survive that.'

CHICAGO - Ten years ago, trading futures from his parents' suburban London home, Navinder Sarao shook up the investment world when his computer program set off the "flash crash," causing the stock market to temporarily lose a trillion dollars in a matter of minutes before recovering.

Diagnosed as a mathematical savant with social disabilities from Asperger's syndrome, Sarao on Tuesday stood in a federal courtroom in Chicago to learn if he'd have to trade his childhood bedroom for a prison cell.

"I could never survive that," a contrite Sarao, 41, told the