The London market sunk deeper into the red today after further falls in commodity prices hit traders' confidence.

Mining and banking stocks pulled the FTSE 100 Index into the red today despite strong gains for microchip designer ARM and Marks & Spencer.

The London market soared more than 4% today as better than expected sales figures from retail giant Marks & Spencer helped lift spirits.

Weaker property and pharmaceutical stocks ensured the London market finished an uncertain session in negative territory today.