This week, we've gotten good news about the third quarter from Yahoo! Comcast's revenue was up 4 percent. Boeing reported profit up 18 percent. This morning, we've heard from Southwest Airlines and Jet Blue. They both had record earnings last quarter. More on the current state of the markets. And we know what Amazon sells, but how about what the company buys? Analysts say they're going to pay close attention to the company's investments. We take a look at why. Plus Marketplace's economics guy, Chris Farrell, has been thinking a lot about water. How we use it. How we pay for it. And he's been asking himself a lot of questions many consumers don't. More on that.