StockMarketWire.com - UK stocks eked out modest gains at the open on Friday after a strong result from retail giant Walmart boosted Wall Street, though the Turkish lira fell as the US threatened more sanctions against Turkey.

At 0850, the benchmark FTSE 100 index was up 6.74 points, or 0.1%, at 7.563.12 on a quiet day for large company announcements.

Cruise port operator Global Ports sailed 5.1% higher after improved passenger volumes sent first-half revenue to a record and it forecast annual earnings at the top end of its guidance range.

Clinical artificial intelligence company Sensyne Health made a positive debut on AIM after raising £60m through an initial public offering.

Sensyne shares had reached 185p each in early trading, up 5.7% on their 175p IPO price.

Royal Bank of Scotland, meanwhile, said Katie Murray would become its interim chief financial officer at the start of October, as a search for a successor to Ewen Stevenson continued. The bank's shares added 0.5%.

Commercial floor coverings company Airea jumped 19%, as new product launches helped it boost its first-half profits.

Cyber security company Shearwater Group gained 1.6% on news it had agreed to acquire counterpart Brookcourt Solutions for £30.3m in cash and shares.

Waste management company Biffa said it had acquired Weir Waste Services, a provider of waste and recycling solutions, for £16.2m. Its shares eased back 0.2%.

SDX Energy added 1.1% after it had carried out a successful production test at an appraisal well at the South Disouq prospect in Egypt.

Victoria Oil & Gas dropped 2.6%, as supply disruptions with a key customer in Cameroon sent its sales volumes south.

Construction group Interserve gained 2.5% after a consortium it led reached financial close on a £105m project to build new college facilities for Durham University. Story provided by StockMarketWire.com