If you like stock trading, perhaps you'll like more hours of it. I'm David Brancaccio. The New York Stock Exchange has announced plans to extend its hours. If regulators approve, its electronic platform ARCA will be on 22 hours a day, Monday through Friday, up from 16, with a pause in the middle of the night, Eastern. This is the after hours or pre-market

trading that you hear about, but more of it. Marketplaces Savannah Marr reports. The lights are on

at the New York Stock Exchange from 9.30 to 4 p.m. on weekdays. But a growing volume of trades are

ordered outside those regular hours on ARCA, according to Evan

Raleigh at the University of Connecticut.

People in Asia, people in Europe, you know, some people in the U.S. after work want to go in and

put in a trade.

The NYSE wants to extend ARCA's window by a few more hours.

As Raleigh says, established exchanges are facing more

competition. They're afraid that people are going to go to, say, Robin Hood, which allows users to

trade certain stocks around the clock Monday through Friday. So extended after hours could keep

more trades moving through New York's platforms.

Justin Schack, with Rosenblatt's securities, says there's a relatively small constituency rooting

for this change. And that's basically retail investors. But these non-professional traders

could end up paying higher transaction costs at odd hours. And Shaq says

institutional investors, plus the thousands of companies listed on the New York Stock Exchange,

may not be so excited about the prospect of trading going on for 22 hours a day.

In part, Shaq says, because they'll need to staff up to react to late-night

price moves. I'm Savannah Marr for Marketplace. Now, frustrated by what he sees as aggressive

regulation in Washington of financial institutions, the CEO of the biggest bank told an industry

group yesterday that he's, quote, had it with this crap.

It was Jamie Diamond of J.P. Morgan Chase, and his precise quote used not that C word, but the

...