Twitter scores NFL streaming rights

Stocks (^DJI, ^GSPC, ^IXIC, ^RUT) are lower in midday trading, with all sectors down. Stephen Guilfoyle, managing director of floor operations for Deep Value Execution Services, joins us live from the floor of the New York Stock Exchange to discuss the markets. Joining Yahoo Finance's Alexis Christoforous to discuss some of the other big stories of the day are Kevin Mahn, CIO, Hennion & Walsh Asset Management and Thomson Reuters correspondent Bobbi Rebell, author of "How to be a Financial Grownup."