In the business world, bad news is usually good news - for somebody else.

Speculators get a bad rap. In the popular imagination they're greedy, heedless, and amoral, adept at price manipulations and dirty tricks. In reality, they often play a key role in making markets run smoothly.

The desire for reinvention seems to arise most often when companies hear the siren call of synergy and start to expand beyond their core businesses.

Wall Street has come a long way from the insider-dominated world that was blown apart by the Great Depression.

The oil market is especially sensitive even to a hint of expansion or contraction in supply.

In part because individual judgement is not accurate enough or consistent enough, cognitive diversity is essential to good decision making.

In confusing stock options with ownership, corporations confuse trappings with substance.