Just last month Altra launched an electricity-trading site, hoping to grab a share of an electronic market now dominated by the Powermatch exchange operated by Bloomberg Financial Markets.

FORBES: Web Powerhouse

Since the New York company was founded by New York City Mayor Michael Bloomberg in 1982, its data terminals have seized a growing share of the lucrative market for financial information.

WSJ: J.P. Morgan Asks Bloomberg for Data on What Information Reporters Had Access to

In May the company made headlines when it and Reuters announced their agreement to a takeover that would create one of the world's largest financial news providers, one that would just about trump the market share of rival Bloomberg (See "Thomson Wins Reuters").

FORBES: Magazine Article