this year, the dow, nasdaq and s&p 500 have all surged. investigators encouraged by recent reports showing the economy improving. we now turn to the day's other top story. we are learning more about the fatal shooting not far from ferguson, missouri, but it involves a much different scenario. authorities in berkeley, missouri, say a police officer shot and killed an 18-year-old after the teen pointed a gun at him. this is difficult to see. but the upper left-hand corner of the surveillance video shows a man with his arm extended. that little circle there. berkeley is just two miles from ferguson. that's where a police officer shot the unarmed teen michael brown in august. as word about this shooting in berkeley spread, this was the aftermath here, a crowd gathering, protesters scuffling with police. at one point, someone threw what looked like a large firecracker or other explosive into this crowd. i want to bring in george howell who joins us live from berkeley.