Polycom

Polycom is a big player in a small but growing tech market: corporate videoconferencing systems. It develops and makes video-, voice-, data- and Web-conferencing equipment systems. But what adds spice to the stock is its potential as an attractive takeover target.

The concept of the videophone is nearly as old as the phone itself, and prototypes predate the Beatles by many decades. But while other new modes of communication, from email to instant messaging to cell phones have been adopted at astonishing rates, video has lagged -- until now.

By the standards of Bernie Madoff's $60 billion swindle, the latest shenanigans from Wall Street are relatively small potatoes. But a hedge fund manager who Forbes ranked as the 236th richest person in America, worth $1.5 billion, just got charged with insider trading to the tune of $20 million....