Miners feature prominently among the top performers, helped by bullish comment from Royal Bank of Scotland (RBS). RBS has upgraded Antofagasta from 'sell' to 'buy'. RBS reiterated its 'hold' rating for Eurasian Natural Resources but has raised its price target from 670p to 850p.Royal Bank of Scotland itself is higher despite a report it will finalise a £4bn share placing this week. The cash raised will reduce the cost of entry to the Asset Protection Scheme. Elsewhere in the banking sector Barclays is upgraded by UBS to 'neutral' from 'sell'.Life insurer Aviva is the heaviest faller in the FTSE 100 after it confirmed it is to sell a minority stake in its Dutch insurance business Delta Lloyd through a float on Euronext in Amsterdam. No more details were released, but weekend reports suggested the life insurer would sell between 30-40% of Delta and value it at about £4bn.FTSE 100 - RisersRSA Insurance Group (RSA) 133.00p +4.15%Eurasian Natural Resources (ENRC) 835.00p +3.60%Royal Bank of Scotland Group (RBS) 47.99p +2.89%Antofagasta (ANTO) 739.50p +2.71%Anglo American (AAL) 1,919.00p +2.26%Invensys (ISYS) 281.90p +2.14%International Power (IPR) 286.70p +2.10%British Airways (BAY) 214.00p +1.76%Kingfisher (KGF) 210.30p +1.69%Petrofac Ltd (PFC) 947.00p +1.66%FTSE 100 - FallersAviva (AV.) 443.90p -1.92%Wolseley (WOS) 1,460.00p -1.82%Carnival (CCL) 2,106.00p -1.59%Unilever (ULVR) 1,746.00p -1.52%Legal & General Group (LGEN) 83.95p -1.47%Friends Provident Group (FP.) 83.05p -1.37%BP (BP.) 528.50p -1.27%3i Group (III) 270.30p -1.21%Diageo (DGE) 944.00p -1.10%Royal Dutch Shell 'A' (RDSA) 1,731.50p -1.06%