>> one of three suspects is in custody now. the man confessed to pulling the trigger in dallas. after investigators released pictures of the suspect near the scene. the 36-year-old was shot as he was taking pictures of the first snowfall he had seen. he moved to the u.s. from iraq a few weeks ago to escape the violence of isis and to be with his wife. the search continues for the two remaining suspects. >> it is a bit of a roller coaster lately the big gains and today trading lower than 200 points. nicole, what is going on with the stocks today?