Dell

Dell shares opened sharply lower on Wednesday after the PC maker posting disappointing financial results. Sales are soft, margins are contracting, and the outlook is uninspiring.

Every day, Americans throw out more than 350,000 cell phones and 130,000 computers. But we're passing up a tidy sum -- plus some potential tax deductions -- by dumping them in the trash or leaving them to gather dust.

I recently penned a column pointing out that when America "lost" the TV manufacturing industry to Japan, it wasn't necessarily a bad thing, because the business has become a low-margin money loser. A lot of readers disagreed.

The whole concept of online commerce hinges on convenience, particularly during the frantic holiday shopping season. Unfortunately, some well-known Web merchants left consumers seriously dissatisfied in the past year.

If you want to give your loved ones environmental peace and joy, you might want to hold off on buying them the latest hot gadgets as gifts. E-waste is a dirty problem that lingers far beyond the time when Christmas present becomes Christmas past.

China's race to space is the science and technology story grabbing the headlines these days. But it's China's down-to-earth move into semiconductor country that should worry investors most.

No one likes being late to a party, especially one where the first ones there get the best party favors. The Apple party started long ago, and it's stock has crushed that of its rivals over the past decade -- but does that mean it's too late to join the festivities?

Are you hungry for a piece of the Facebook IPO? If so, then pull up a chair. There's plenty of room at the table ... because the other guests are fleeing. After months when all we've heard is that this (eventual) stock sale will be the hottest thing since Google, the hype trend has reversed.

It's a new day at Apple. The transition from a dynamic leader like Steve Jobs to a new generation at the helm of the iGiant will change the culture. Not in a year, not even in five -- but before you know it, we'll be talking about Apple in the "good old days" back when Jobs ran things.

Standard & Poor's downgraded the U.S. debt rating for the first time on Friday. Coming on top of concerns of a second recession, the move has investors worried that we're headed into a bear market for stocks. Here's what that would look like.