**The Dow Jones Industrial Average has topped the 10,000 mark for the first time in a year.**World markets were boosted by the news that US bank JPMorgan Chase reported a better-than-expected profit for the July-to-September quarter.
The Dow briefly reached 10,000.07 - its highest level since October 2008, before falling back to 9,987.75.
Earlier, European markets had also closed higher, with banking stocks leading the way up.