FTSE 100 falls as Next shares dive
(Close): Shares in retailer Next led the FTSE 100 lower after the company warned of a "challenging year" ahead.
Next was the biggest faller on the FTSE 100, with the index down 92.63 points, or 1.49%, at 6,106.48.
Its comments hit shares in other High Street retailers, with Marks and Spencer down 4.9%.
Oil prices continued to slide on news of rising US stockpiles. Brent crude fell 0.6% to $40.22 - having at one point fallen below the $40-a-barrel mark to $39.65.