high-frequency trading

Why High-Speed Trading Is Still a Huge Flash Crash Threat

On May 6, 2010, the Dow suddenly dropped 600 points and then just as quickly recovered, and high-frequency trading became a new economic bogeyman. But then, without its dangers being addressed, HFT slipped back into the shadows. Now, an upcoming report from the Commodity Futures Trading Commission may finally change all that.

The Nasdaq Hacking Case Raises Big Red Flags for Exchanges

The frightening revelations over the past few days that hackers had penetrated certain systems at the Nasdaq stock exchange are reverberating throughout the financial world. Did cyber-crooks gain access to inside information that can used to reap ill-gotten gains?

How the Bear Market Pundits Got It Wrong

The S&P 500 has rebounded 20% since its July 2010 low, which comes as bad news to perma-bears like Nouriel Roubini, Gary Shilling, and Bill Gross, all of whom predicted the opposite. This raises several questions about how stocks move, and why the pundits we hear say the things they do.

Flash Crash Panel to Discuss Reforms with SEC, CFTC

The May 6 "flash crash" is still somewhat of an enigma, but an advisory panel meeting on Friday to review a report into it could at least help regulators establish some new market rules to prevent similar crashes from occurring in the future, Reuters reports.

SEC to Vote on 'Naked Access' Ban

The U.S. Securities and Exchange Commission is considering a rule that would level the playing field between retail investors and high frequency traders. Under the proposed rule, unlicensed high-frequency traders will no longer be able to gain "naked access" to public markets through brokerages that rent out their access.

Greece: A Lesson in Overblown Market 'Crises'

To hear the pundits tell it, Greece's debt woes and accompanying civil disturbances signaled the end of the euro, or worse. Yet, the country's rebound gets little attention. This pattern gets repeated over and over, much to investors' detriment.

What the Stock Market's 'Breakout' Is Missing: Volume

Since the S&P finally rose past the key 1,130 level on Monday, stocks have languished rather than rapidly advance. That's because volume is anemic. And without volume, the market is said to lack the conviction needed to actually create a definitive trend.

Another Suspect in the Flash Crash: 'Quote Stuffing'

Quote stuffing is just another way high-speed traders make a few cents by exploiting small price differences between the exchange where a trader buys and the one where he sells using huge orders that are immediately canceled. Such a ploy gone awry could be the culprit.

Why Individual Stock-Picking Is Harder Than Ever

Whether investors can outwit the broader market over the long run is a perennial, hotly debated, topic. But computerized trading and virtual baskets of stocks are making the discerning of specific companies' fortunes matter less and less.

What's Fueling Stocks' Late-Day Price Swings?

More and more evidence points to high-frequency traders, who could now account for some 50% to 70% of all trades. And some have rules against carrying open positions after the close of trading. Time for a speed limit?