David Kelly, JPMorgan Asset Management Chief Global Strategist, says U.S. GDP growth may slow to 1% or less in first quarter. Neil Campling, Mirabaud Securities Global Thematic Strategy Group Head of TMT Research, expects other companies to follow Apple in cutting their outlook. Elaine Kamarck, Brookings Senior Fellow in the Governance Studies, discusses which candidates she expects to have the momentum going into the Nevada Democratic debate. Michael Holland, Holland & Co. Chairman, says although he's mindful of the valuations in the big-cap names, he's not so concerned that he's a seller.