History: Citibank changed font and added the arc in 2000.
What the logo says: This is schizophrenic: The red and blue says "America," the arc signals reaching across cultures, and the name reflects a city. Too much to analyze.
In partnership with American Express, Fortune searched the U.S. for outstanding female business builders. Fortune honored these game-changers at its recent Most Powerful Women Summit. From Lauren Bush to environmental innovators, here are the winners. More
Loudmouth CEOs, islands in the desert and bringing dead celebrities back to life. Our annual list of the business world's bonehead plays marches on. More