FTSE 100 index traded lower on Monday weighed down by mining stocks amid falling oil and metal prices. Randgold Resources dropped 1.7% after Nomura downgraded the company from neutral to reduce citing political turmoil in Mali. Man Group provided negative impact on the British index and slipped 4.8% a day before company's first-quarter earnings. On the upside British Sky Broadcasting Group added 0.9% after Citigroup lifted the stock from neutral to buy. At the moment of writing FTSE 100 trades 0.51% or 29.18 points down at 5,747.42