If you're an active trader, your trading platform is your workstation, and setting up your screen layout will help ... Russell 2000, and Nasdaq indexes. S&P 500 and Nasdaq 100 futures contracts ...

Screens are flashing red. Around midday New York time, the Dow was down 320, S&P 500 off around 35, and the Nasdaq down around 50. That followed on from tough trading conditions in Asia and Europe.

More financial services companies are offering investors 24-hour trading. Now Nasdaq, best known for its tech-heavy stock exchange, would like to join the all-night party. The New York-based ...