FTSE 100 edges back into positive territory; Wall Street set to fall again at open
The UK blue chip index in the green but US markets likely to fail to rally after recent falls
FTSE 100 up 17 points
Trainline comes off the rails
B&Q owner Kingfisher slips
12.30pm: Investors await US jobless claims
Wall Street is expected to continue Wednesday's declines as investors await the latest figures for weekly jobless claims.
The Dow Jones Industrial Average is forecast to open 143 points or 0.4% lower, while the S&P 500 is set for a 0.32% decline and the Nasdaq Composite is showing a 0.26% fall.
Technology shares are under pressure again after weaker than expected earnings guidance from networking hardware group Cisco.