The FTSE 100 index added 21 points or 0.3% to 6,160 points today, led by property company shares following a review of the sector by JP Morgan.
British Land rose 3.27% to £15.18, Liberty gained 2.08% to £12.25 and Land Securities advanced 2.78% to £20.67.
Resolution gained 3.37% to £6.44 after it named Mike Biggs as its new chief executive, replacing Paul Thompson.
Cairn Energy rallied 1.46% to £15.99 on confirmation it is being dropped as a constituent of the FTSE 100 after its poor recent showing following the listing of its Indian assets.
It is being replaced by fund manager Schroders, which is back inside the index and rose 2.40% to £11.32.
Meanwhile, banks and insurer Aviva posted losses after they started trading without the right to the latest payout.
Barclays fell 1.71% to £7.18, Royal Bank of Scotland dropped 2.78% to £20.99, Lloyds TSB, Standard Chartered fell 0.36% to £13.99 and Aviva declined 1.11% to £7.60.
In the US, the Dow Jones industrial average is down 4.33 points, or 0.04%, at 12,203.26 points, as concerns about growth and investors' appetite for risk in a choppy market linger.
Bank of America is down 0.9% at $50.47, while drug company CV Therapeutics has dropped 24.6% to $9.27, a day after saying its angina drug, Ranexa, was not effective in a study of acute and long-term treatment of patients with heart disease.
Exxon Mobil has gained 0.7% to $71.47 after crude oil rose 91 cents to $61.60 following weekly inventory data which showed an unexpected drawdown in oil supplies last week.
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Spent 56 years at Schroders
Warns on profits
Hargreave Hale seeking legal advice