The Source Code: Brad Katsuyama

Sep 19, 2018
The former trader started his own stock exchange, IEX, to address his concerns about high-frequency trading.
IEX Group President and CEO Bradley Katsuyama, right, and Notre Dame finance professor Robert Battalio prepare to testify before the Senate Homeland Security and Governmental Affairs Investigations Subcommittee about high-speed stock trading in 2014.
Chip Somodevilla/Getty Images

Too much high-frequency trading can rig the market, IEX founder says

Sep 18, 2018
Brad Katsuyama says some traders use tech to "know the horse race is over, and they're betting against people who still think the race is happening."
An employee views trading screens at the offices of Panmure Gordon and Co. in 2014 in London.
Carl Court/Getty Images

America's next financial crisis?

Mar 23, 2015
Author Michael Lewis talks about high-frequency trading, a year after "Flash Boys"

The difference a half second makes

Jul 10, 2014
A Chicago Fed paper proposes dividing trading sessions into half second periods.

Michael Lewis calls the stock exchange 'rigged'

Apr 1, 2014
It's not about screaming on the trading floor anymore.

PODCAST: Dealing with high frequency trading

Apr 1, 2014
Retail store are looking to get more foot traffic with cell phone charging stations. And Netflix gets Frank Underwood to lobby for them.

You’ve got questions. We help you answer them.

Support nonprofit, independent journalism that makes you smarter.

High frequency trading: More relaxed than you think

Mar 4, 2014
The technology and tactics of high frequency trading are impressive to some.

A former high-frequency trader turned critic

Jan 21, 2014
Powerful computers can make hundreds of thousands of trades in milliseconds, making big money off tiny stock price differences. But is it bad for our financial system?

Reuters ends early access to consumer data

Jul 8, 2013
The financial information conglomerate had previously let its highest-paying customers have the data two seconds early.