high-speed trading

Why We Could Easily Have Another Flash Crash

It's been a great year for stocks, which could make some grow complacent. But before you run with the bulls, be warned: Our markets aren'€™t safe from another flash crash.

U.S. Investors, Take Note: The Robin Hood Tax May Be Coming

It's a simple idea: Levy a tax on stock, bond, and derivatives trades so small that it only impacts speculators and the biggest high-speed traders, and use the proceeds to fight poverty and climate change. In Europe, it's gaining momentum, and the U.S. could be next.

Beleaguered Knight Capital Gets a $400 Million Financing Lifeline

Knight Capital says investors have agreed to supply it with $400 million in financing, which would help the trading firm stay in business after last week's disastrous software glitch that shook stock trading across the market, cost the firm $440 million, and jeopardized its future.

Does It Matter That a German Exchange May Control the NYSE?

The fabled New York Stock Exchange isn't what it used to be. Today's NYSE Euronext has lost a huge volume of trading to upstart computerized exchanges in recent years, and scandals have tarnished its luster. Now, Germany's Deutsche Boerse wants to buy control of it. I say: "Sell!"