It comes amid a surge in commodity costs with iron ore and oil rallying through the day, boosting commodity-rich shares.
The FTSE 100 closed 147.09 factors larger, or 1.95%, to 7,673.08, its highest shut since July 31.
Chris Beauchamp, chief market analyst at on-line buying and selling platform IG, stated: “Commodity prices are surging this afternoon and this has lit a fire under the FTSE 100, prompting a rally that has taken the index to its highest levels in six weeks.
“Oil and natural gas prices are enjoying a solid afternoon, with the result that Shell and BP have added over 20 points to the index, with Rio Tinto and Glencore following close behind.
“Optimism around economic growth prospects for Asia has meant that Asia-focused banks HSBC and Standard Chartered have led the banking sector higher too, resulting in the best day for the FTSE 100 since mid-July.”
Meanwhile on Thursday, the European Central Bank raised rates of interest to the best degree for the reason that euro was established in 1999.
But the ECB signalled that it could possibly be the final within the cycle of rate of interest hikes.
European inventory markets additionally loved a rally, with Germany’s Dax closing 0.97% larger and France’s Cac 40 up 1.19%.
The pound was down 0.6% towards the US greenback to 1.241, and up 0.1% towards the euro to 1.1642.
It was a powerful begin to buying and selling within the US with the S&P 500 up 0.65% and the Dow Jones up 0.7% by the point European inventory markets closed.
In firm news, shares in Trainline surged after the journey platform introduced returns for traders following a better-than-expected gross sales efficiency for the primary half of the 12 months.
The firm stated group revenues jumped by practically a fifth over the interval regardless of taking successful from UK strike motion, and revealed plans for a share buyback of as much as £50 million over the subsequent 12 months. Its share value rose by 11.6% on Thursday.
Elsewhere, shares in THG plunged by greater than a fifth after the agency reported a bounce in its losses over the primary half of the 12 months.
The Lookfantastic and MyProtein proprietor stated its revenues had been down practically a tenth over the interval because it offered off some components of the enterprise.
Chief govt Matthew Moulding maintained the outcomes had been “strong” with an increase in earnings earlier than enterprise prices.
But traders had been lower than impressed with the efficiency and its share value dropped 21.3% at shut.
The largest risers on the FTSE 100 had been Anglo American, up 162.5p to 2,262.5p, Airtel Africa, up 7.6p to 126.3p, Rio Tinto, up 236p to five,221p, Glencore, up 18.85p to 450.75p, and Flutter Entertainment, up 610p to 14,605p.
The largest fallers on the FTSE 100 had been Entain, down 10.5p to 1,154.5p, Smith & Nephew, down 9p to 1,059p, Next, down 44p to 7,134p, ConvaTec, down 1.2p to 224.4p, and IAG, down 0.75p to 153.05p.