The biggest riser this morning (at 1110) was temporary power provider Aggreko (AGK.L), rising 1.5 per cent to 1,894p.

The company, which had seen share price fall earlier this week following the acquisition of APR Energy by Horizon, was lifted by reports that Goldman Sachs had lifted its price target for the company.

Standard Life (SL.L) and business software company Sage Group (SGE.L) both saw share prices rise by 1.3 per cent to 204.5p and 284.3p, respectively.

Miner Lonmin (LMI.L) increased by 1.1 per cent to 1,397p, while supermarket chain Tesco (TSCO.L) added 1 per cent to its share price, up to 401.4p.

At the other end of the scale, gas company BG Group (BG.L) was the biggest faller, as share price dropped 1.5 per cent to 1,307p.

Four stocks dropped 1.3 per cent in the morning session: bank HSBC, B&Q owner Kingfisher, the Schroders non-voting share class, and microchip manufacturer Arm Holdings.

HSBC (HSBA.L) dropped to 600.2p, Kingfisher (KGF.L) was down to 264.6p, Schroders saw its non-voting share class (SDRC.L) fall to 1,261p, while Arm's share price decreased to 554.4p.

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