Late shift

Everything from increased volatility to increased fidelity has been threatened if the US stock markets stay open late. They may not be scared of the dark, but the prospect of trading deep into the night should worry investment professionals. If trading does go on into the night, can brokers, analysts and money managers go off for a quick round of golf or a few drinks secure in the knowledge that their stocks are safe? If not, because they are all still working, you can be sure they'll be calling