But while RIM's executives have chosen to keep a low profile, they made a key decision early on to make sure their technology got maximum exposure by targeting top Wall Street executives.

CNN: How BlackBerry conquered the world

The Fed's efforts to keep interest rates extremely low are seen by many as a key support for stocks.

WSJ: Dow Closes Above 15000

The Fed's efforts to keep interest rates extremely low are seen by many as a key driver of the rally.

WSJ: Dow Closes Above 15000

Low-key policies that seemed adequate a couple of years ago have struggled to keep pace with the explosive growth of trade.

ECONOMIST: Charlemagne