G4S (GFS.L) remained the strongest riser at the close of trading as the FTSE 100 closed above the 5,100 market in what was a, relatively, less volatile trading session.

The security services group closed 8.5 per cent higher at 264.4p, after earlier reporting strong first half results.

The biggest faller was precious metals miner Fresnillo (FRES.L) dropping 7.2 per cent to 1,892p.

G4S was joined by engineer Wood Group (WG.L), which also reported strong first half results, rising 4.6 per cent to 542.5p.

Microchip manufacture Arm Holdings (ARM.L) closely followed Wood Group rising 4.5 per cent to 514p.

Elsewhere, Glencore International (GLEN.L) climbed 3.5 per cent higher to 367.45p, while Essar Energy (ESSR.L) added 3.1 per cent to its share price, closing at 255.5p.

Joining Fresnillo at the foot of the table was Randgold Resources (RRS.L), which shed 3.4 per cent from its share price, down to 6,640p.

BA and Iberia umbrella group, International Consolidated Airlines Group (IAG.L) fell 2.1 per cent to 164p, financial services company Legal & General (LGEN.L) dropped 1.7 per cent to 95.45p, as Vedanta Resources (VED.L) slipped 1.4 per cent lower to 1,225p.

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