Microsoft takes a big stake in Barnes and Noble, investing heavily in its Nook eReader. New York Correspondent Erika Miller examines what it means for the e-book and tablet markets. Warmer than usual weather is giving a boost to farmers. Midwest Bureau Chief Diane Eastabrook reports from Iowa. Facebook is one of the most anticipated stock offerings this year. Washington Bureau Chief kicks off our week-long look at "The Facebook Economy" and explains how the social media giant has changed the way they do business. Technology stocks are one of the strongest areas of the market. TheStreet.com's Jill Malandrino shares her three top picks with NBR Anchor Tom Hudson. The economy may slow down this summer, but tonight's commentator says don't blame gas prices. Yahoo Finance's Daniel Gross explains why he thinks there's no need to worry about fuel prices.