Amazon.com

Cheap-chic retailer Target will discontinue the sale of Kindle e-readers and Amazon-branded products. It's easy to see why Target isn't keen on enriching the enemy. But it's not business, Amazon.com: It's just personal.

The widespread push on corporate social responsibility is about more than just good PR -- it's also about good business and taking care of customers. And it's a virtuous cycle that's paying off.

The problem with most daily deal sites is that the bargains you're offered aren't necessarily the ones you want. That's where Amazon thinks it can gain an advantage, by leveraging its signature product recommendation technology.

Just as useful as apps for investors, these personal finance tools focus on helping you save more, earn more and spend more efficiently.

There were a few positives in Netflix's quarterly report Tuesday, but the stock fell 14% thanks in part to mixed results and uninspiring guidance. But the real reasons investors fled are more complex -- and disturbing.

If your love affair with Vampire Weekend only lasted for a weekend, or if you're no longer a believer in Justin Bieber, Amazon.com has a way out for you. The online retail giant has added CDs to the long list of used gear it will take in trade.

Best Buy said Tuesday that it was a mutual decision, and that there were no disagreements with Brian Dunn on any matter relating to operations, financial controls, policies or procedures.