Need a Wall Street bounce? Try going b-to-b;Aol, ebay and yahoo! announce b-to-b marketplaces in effort to leverage their consumer strengths .(Brief Article)

Welcome! You've got b-to-b.

Three of the biggest consumer Internet companies -- AOL, eBay and Yahoo! -- this month announced they are building e-marketplaces aimed at employees of small and midsize businesses.

While some view the initiatives as cosmetic moves by consumer-centric companies to get in on the b-to-b craze, others say AOL, eBay and Yahoo! are right to hype their already-legitimate b-to-b businesses, especially given the stock bumps the announcements earned.

The companies aim to leverage the power of their consumer brands to convince employees of small and midsize businesses to turn to them to buy office PCs and other work-related items. …