Global equities gained momentum ahead of Google-owner Alphabet's latest numbers. At close, the FTSE 100 was up 0.2% at 7,034.
In the US, the tech focused Nasdaq rose 0.8% at 7,326 at around 4:45pm UK time.
Brent crude oil slipped 1% to $62.13 per barrel.
LARGE AND MID CAP RISERS AND FALLERS
Ryanair descended 2.3% after it swung to a third-quarter loss, as lower ticket prices weighed. The budget carrier also announced that chief executive Michael O'Leary had extended his contract by another five years.
Mining company Ferrexpo dropped 8% to 241.3p after announcing that it was probing payments made to a charity, potentially delaying the release of its results.
Pharmaceutical group Indivior said it had agreed to sell its rights to a Chinese opioid addiction treatment to Pukang for up to $122.5m. Its shares shed 1.5% to 113.1p.
Security and other services supplier Serco sealed an A$1.01bn (£560m) contract with Bupa to provide services to Australia's defence forces. Its shares were flat at 113p.
Digital services provider Kainos sparked 5.9% to 450p after revealing its annual results are anticipated to beat market expectations.
Travel operator Thomas Cook revealed its hotel fund joint venture with LMEY Investments, Thomas Cook Hotel Investments, secured its second round of debt funding. Its shares fell 4.7% to 33p.
SMALL CAP RISERS AND FALLERS
Regional carrier Flybe rose 3.1% to 3.3p, as the ex-CEO of Stobart, Andrew Tinkler, proposed an alternative financing proposal to Virgin Atlantic and Stobart's current takeover bid.
Sensor systems supplier Transense Technologies jumped 18.9% to 51.7p on news licensee GE had been selected by the US Army to provide new engines for its Boeing AH-64 Apaches and Sikorsky UH-60 Black Hawks.
Telematics and data supplier Trakm8 dropped 5.9% to 28.7p as it warned of an up to 35% fall in annual revenue, blaming delayed orders in its fleet division owing to Brexit uncertainty.