Dow closing in on 17K

It looks like Dow 17K will have to wait another day. Stocks have been on a tear lately, reaching historic closing highs, in the Dow and the S&P 500 on Friday, but those indexes kicked off the new trading week with some modest declines. So with a week to go in the first half, Dominic Chu takes a look at the stocks that helped get the Dow to this point and what may lead the next leg.