This morning in London: The FTSE 100 is currently down 18 points at 6577.
Stocks: First-half revenue was down 6% for online betting and gaming operator Betfair, but rose 5.2% for pub group Greene King.
The day ahead: The UK construction report is due at 9.30am, followed by eurozone PPI at 10am. In the US, IBD economic optimism will be announced at 3pm.
All figures correct at 8.30am. All times London time.