Rackspace's Report, DR Horton Hopes Earnings Build Shares

Housing stocks have taken off, amid upbeat reports and revisions that translate to even better news for homebuilders. And that has been accretive to the stocks of companies including DR Horton, the Maryland-based homebuilder that has seen shares gain 19 percent over recent weeks. This morning, it looks for earnings, and a big beat could have the stock upbeat next. Plus, we take a look at Rackspace's earnings: what went right? And Jim Cramer is big on Twitter -- not just because he's got nearly 800 thousand followers. He likes the micromessaging company's new CFO & is bullish for Analyst Day.