The FTSE 100 is expected to open 23 points higher on Thursday, following a broad advance across Asian markets overnight.
Investor confidence received a boost after US inflation data showed prices slowing last month, easing fears of an imminent interest rate rise.
July’s consumer price index reading came in line with forecasts and followed figures pointing to a softer jobs market, giving the Federal Reserve room to keep borrowing costs on hold.
South Korea’s Kospi surged almost 5% in the opening minutes, with chipmakers SK Hynix and Samsung clawing back losses from a sector-wide selloff that ran from late June through July.
Korea, a global hub for the computer hardware industry, led the regional gainers as investors pushed back into technology stocks after the summer rout.
Tokyo and Shanghai also advanced, though Hong Kong, Singapore and Sydney dipped as bargain-hunting supported the broader bounce.
Strong earnings from Amazon, Microsoft and, more recently, CoreWeave have also helped underpin sentiment across global markets.
Oil slipped more than 1%, snapping a six-day run of gains, as traders continued to watch the US-Iran standoff with the Strait of Hormuz still shut.
The UK economy grew 0.4% in the second quarter, down from 0.6% in the first, a decent result for a period that included a war in Iran and associated energy price jitters.
June did the heavy lifting, rising 0.3% when economists had pencilled in a flat month, with services leading the way through the quarter.
Information and communication climbed 2.7% while computer programming jumped 3.7%, indicating the technology end of the economy remains firmly active.
Manufacturing managed 1.0% growth, driven largely by a 4.2% jump in pharmaceuticals, though utilities went backwards and dragged overall production to a standstill.
Construction eked out 0.3% for the quarter but remains 2.0% smaller than a year ago, highlighting ongoing pressures within the sector.
With a resilient economy and a GDP deflator running at 2.9%, the data does not point to any urgency from the Bank of England on cutting interest rates.