S&P down -0.68%. Nasdaq down -0.53%. Dow down -0.67%
The US stocks are ending the session at the lows.  The indices were up marginally until a report that the US had dropped the "Mother of all Bombs" on a mountain range in eastern Afghanistan that has tunnels where it is believed ISIS rebels are using.  President Trump calls it a "very, very successful mission". Wall Street though otherwise.