They want to think that machines are biddable and programs run smoothly. But with traders and market makers creating and deploying new systems and algorithms constantly, the danger of something going wrong is inevitable.

With the high frequency-obsessed trading community, speed is essential. And social media, particularly Twitter, is becoming a key source of high-speed information for feeding trading algorithms.

Many high-profile long-term investors have publicly expressed their frustration with the tactics of some high frequency traders (HFTs). While much of...

Since the global financial crisis started in earnest in 2008, there has been a debate raging in economic circles. Is the economy experiencing inflation or deflation?

Editor's Note: This post has been removed from the Huffington Post....

Editor's Note: This post has been removed from the Huffington Post....

The idea is straightforward: Computers take information -- primarily "real-time" share prices -- and try to predict the next twitch in the stock mark...