(ShareCast News) - Mining megalodons dominated the blue-chip winners' ladder as they advanced in correlation with firming precious and industrial metals prices, supported by Coca-Cola HBC's fizz higher.Anglo American led the pack by a good distance as it stacked on a hearty 11.25%.It was followed in quick succession by Rio Tinto, Antofagasta, BHP Billiton and Glencore. All made gains of 6%-7%, while Fresnillo added almost 4%.At 1519 BST, spot gold was ahead 0.28% to $1246 an ounce, while spot copper improved 0.76% to $212.9 a pound. Other industrial metals prices also firmed.Spreadex financial analyst Connor Campbell observed that the FTSE 100 was barrelling ahead with some fairly chunky gains, despite a pall cast over proceedings by the looming Brexit vote on 23 June."The UK index had the commodity sector to thank for its rise," Campbell said, also noting gains in Shell and BP as crude continued northbound.Also at 15:19 BST, West Texas Intermediate crude was up 1.83% to $49.51 a barrel, while Brent firmed 1.55% to $50.41 a barrel.Bottling company Coca Cola HBC rose on stating it expected average annual revenue growth rate in the range of 4% to 5% on a currency-neutral basis in the medium term versus 2.9% in 2015.Meantime, airlines were in southbound focus behind easyJet, which slipped after it posted a 5.7% rise in May passenger numbers to 6.86m. However, its load factor for the month fell 0.1 percentage points to 91.5%. International Consolidated Airlines also lost ground.Housebuilders remained a major blue-chip drag as concerns that UK will leave the EU were again thrust into the spotlight following several polls.Barratt Developments, Taylor Wimpey, Wolseley and Persimmon were all lower 0.9%-1.5%.The latest Observer/Opinium poll of voting intentions, published on Sunday, revealed that 43% of Britons now backed the UK's exit from the EU, with support for remaining inside at 40%.In parallel, a YouGov poll on behalf of ITV showed 45% of Britons would choose to leave the EU, versus 41% backing a remain outcome.A third poll from TNS put support for 'Leave' at 43% against 41% for 'Remain'.Finally, Wolseley was also a loser as JPMorgan Cazenove downgraded the stock to 'neutral' from 'overweight' and cut the price target to 4100p from 4300p on valuation grounds.Market MoversFTSE 100 (UKX) 6,292.77 1.34%FTSE 100 - RisersAnglo American (AAL) 687.40p 11.25%Rio Tinto (RIO) 2,023.00p 6.75%Antofagasta (ANTO) 456.60p 6.61%BHP Billiton (BLT) 886.20p 6.31%Glencore (GLEN) 144.20p 6.30%Coca-Cola HBC AG (CDI) (CCH) 1,390.00p 4.35%Old Mutual (OML) 185.10p 3.87%Fresnillo (FRES) 1,165.00p 3.74%Johnson Matthey (JMAT) 3,036.00p 3.20%Mediclinic International (MDC) 917.00p 3.15%FTSE 100 - FallerseasyJet (EZJ) 1,498.00p -1.71%Barratt Developments (BDEV) 569.50p -1.47%Royal Bank of Scotland Group (RBS) 234.20p -1.26%Taylor Wimpey (TW.) 188.10p -1.26%International Consolidated Airlines Group SA (CDI) (IAG) 523.50p -1.23%Wolseley (WOS) 3,702.00p -1.17%Inmarsat (ISAT) 708.00p -0.98%Persimmon (PSN) 2,037.00p -0.97%Tesco (TSCO) 160.65p -0.83%Whitbread (WTB) 4,150.00p -0.77%