eBay

Google's fast-growing YouTube turned 7 on Monday. The world's most popular video-sharing website has come a long way already, but there are few things that can turn YouTube into a monster moneymaker for the world's most valuable Internet company.

Once ballyhooed as "the Internet's largest marketplace for buying and selling all things automotive," eBay Motors' numbers have been slipping. But eBay's attempt to goose profits at Motors looks more likely to put them in reverse.

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.

Online bargain hunters who also enjoy interactive gaming are in for a treat: Outbid.com, which launched last week, brings together the social interactivity of Twitter, the intensity of an auction house and the vibe of a sports bar.

Greece isn't going to rebound anytime soon, and Europe about to rapidly propel itself out of its mild recession either. But obsession with the Mediterranean's economic basket case has caused many investors to miss strong overseas gains. Here are three companies leading the charge.

The death of Whitney Houston found nostalgic fans rushing to buy the music icon's catalog of digital works, which means a bittersweet payday for her label Sony Music. But a gaffe overseas is making Sony out to look like a greedy opportunist.

The Nike FuelBand won't hit the market for weeks, but the sultan of swoosh already knows it has a hit. The $149 high-tech wristbands sold out quickly during two short-lived online buying opportunities over the weekend. Here's what all the fuss is about.

There's a new daily deals player, and it's a company that's near and dear to your virtual pocketbook. And if you think the online coupons sector is too saturated for a fresh entry to make a dent, you're ignoring a few important things about PayPal.

Google and Amazon.com have to stop meeting like this. The two tech darlings are growing into fierce competitors with every new chapter in their quests for consumer domination. The latest page of this low-key yet high-stakes saga finds Google potentially going after Amazon's Prime loyalty shopping program.

EBay has come a long way since its days as an Internet flea market. Today, 62% of eBay listings are fixed price, not auctions, and 70% are new. But the website's devoted cadre of loyal used item sellers feels like its recently launched "buy it new" campaign is selling them out.