Earnings aren't the only thing worth reviewing. Here we look at highlights from PepsiCo, Pfizer, Boeing, Overstock and others.

Amazon.com is nervous about the issue of collecting sales tax, but the e-commerce giant would still do well even if it had to tax sales at the same rate as its traditional retail rivals.

Amazon's recent stock-price gain is reminiscent of the internet boom, and we all know what happened with that.

Investors stand to profit if this internet auction company attains its three-year growth goals.

  VIEW SLIDESHOW You'd think the buttoned-up executives of some of the country's -- nay the world's -- most recognizable multinationals would at all times conduct themselves with a certain level of decorum. But the minute they feel their competitive advantage is being threatened all bets are off. The down-and-dirty tactics not to mention the language employed by corporate rivals can turn downright nasty - more reminiscent of the schoolyard than the boardroom.  Minyanville threw civility out the window and uncovered 10 instances of free-market trash talk.