Mining shares pulled the UK market lower as trading resumed after the Easter bank holiday weekend.
Shortly after trading began, the benchmark FTSE 100 share index was down 36.42 points at 7,291.17, with little company news about to drive the market.
Shares in mining companies saw the biggest falls, with Anglo American down 3.3% and BHP Billiton 2.2% lower.
In the FTSE 250, Ladbrokes Coral rose 3.2% after Davy analysts raised their rating on the firm to “outperform”.
Bovis Homes was another mid-cap company to benefit from a broker upgrade. Shares in the housebuilder rose 1.7% after Jefferies raised its rating on the company to “buy”.