officials, who said they did get this report from summer campers, three kids. they did decide to put out a credible alert based on their information. no further reported sightings have been happening since that time this morning. however, the alert remains in effect right now while officers are still on patrol looking for the man that they believe might be carrying a gun on campus. we're going to continue to follow this story, bring you more details as we get it, but there is other breaking news that we're following this morning, and this is coming from wall street. take a look at the boards. the dow has tumbled this morning. it's now down roughly over 200 points. if we can take a look at the markets, there we have it, red arrows across the board. almost approaching down by 300 points now. the dow jones down by 279, the s&p down by almost 34, and the nasdaq down by 77 1/2. stocks dropped so sharply as investors have grown more skittish, more concerned about the economic weakness that's happening in the u.s. as well as eupe. rick newman is the chief business correspondent for "u.s.