Stock Index Futures Extends Losses

December SP500 is trading at 2139.50, down 18.50 December Nasdaq 100 is trading at 4815.55, down 41.00. December Russell 2000 is trading at 1241.20, down 9.10. December Dow Industrial futures are trading at 18017, down 173. Stock index futures are trading choppy and just above the session lows. Market chatter about politics and global headline news is making the rounds.