How much will the Dow drop today?
Davey says about 650 points. Today may be the biggest wall street opening loss since the opener after 9/11. World markets plunged yesterday as American investors were unable to trade due to the holiday. The london FTSE 100 is already recovering being up 1.7% to 5672. The world markets tend to follow the Dow Jones Average as you can see by this chart.

Can you guess how much the market will be down today?

