Billions of dollars are being invested to make trading without humans faster, cheaper, smarter. The problem is that no matter how smart you make machines, they will never be smart enough in our lifetime to detect all levels of deceit and fraud. Particularly online.

Twitter may have caused a flash crash, but the problem is not Twitter's. Any market so vulnerable to an errant tweet probably has bigger problems. ...

Having the Securities and Exchange Commission police high-speed trading is like pitting Barney Fife against Michael Corleone: The odds are not in its favor.

The markets don't belong only to people like Mr. Joyce; they should and must belong as well to individual investors. Congress and the regulators must recognize that action is long overdue.

Our stock markets have been hijacked and are coming apart, unsafe at any speed for any investor. That's the message that the $440 million scandal at Knight Capital Group is telling us.

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.

Drones: They're not just for killing any more. They're not just for killing people, I mean. Soon they will also be for killing your money, in the stock market.

This is what it looks like when the robots take over the stock market.

Aug 6 (Reuters) - The rescue deal that Knight Capital struck with a group of investors was "absolutely" the best it could have done, Chief Executiv...

Maybe this is the fastest way to get high-frequency trading robots to stop ruining our stock market: Have them destroy each and every trading company that operates them.

(Corrects third paragraph to say stock hit a 13-year low, not all-time low) * Knight CEO says firm has excess capital *...

Don't call it a dark pool. On Wednesday, the Securities and Exchange Commission approved a new trading program at the New York Stock Exchange int...

Americans are losing faith in the stock market, Securities and Exchange Commission chair Mary Schapiro told Congress on Thursday. Investors have a...

Regulators are trying to catch up with the "cheetahs." That's the nickname bestowed upon high-frequency traders by Bart Chilton, a commissioner at the...

Joseph Saluzzi thinks high-frequency trading is ruining our stock markets. A founder of the institutional brokerage firm Themis Trading, Saluzzi i...

While it is true that HFTs have a vested interest in keeping market abuse to a minimum, it is not yet clear that their liquidity has been healthy enough to withstand the pressure of incoming regulations.

(Reuters) - The Nasdaq is planning to revamp its systems for handling stock offerings after acknowledging that technology problems had affected tradin...

Who are "high-frequency traders"? And what sort of games are they playing with our economic future? Here are 10 things you should know.

Mark Gorton is sitting in the Zen garden on the roof of his office in downtown Manhattan, squinting into the sunlight and telling me he's not evil. ...

Don't call it a flash crash. Last Friday, when BATS, one of the country's leading venues for the controversial practice known as high frequency tr...

A bad day for leading high frequency trading exchange BATS just got much worse -- and high-speed trading may have been the culprit. The third-bigge...

Call it a very bad day for flash traders. On the very day that BATS, short for Better Alternative Trading System, one of the larger high-frequency ...

March 23 (Reuters) - The U.S. securities watchdog is looking at whether some high-frequency trading firms have used their close links to computerise...