Overlooked Stocks: BLDR, NMIH, CLNE

John McNichol analyzes the technicals on Builders Firstsource, a building materials supply company. He sees a classic uptrend channel over the last year. Next he breaks down the chart of NMI Holdings, a private mortgage insurance company, which has been range bound with short-term strength in the Relative Strength Index. Lastly, he explains Clean Energy Fuels, a natural gas provider, where he points out that it broke a downward trend in the last couple of weeks.