FTSE 100 Index, British benchmark stock market gauge, Thursday increased markedly by 3.56 percent, or 212.83 points, to 6,192.03 points, as U.S. announced better-than-estimation GDP data.
The U.S. Commerce Department announced that the U.S. gross domestic product grew at 3.7 percent annualized rate, up from its previous estimation of 2.3 percent reported last month.
All sectors of London equity market closed higher, with Mining, Oil Equipment, Services & Distribution, and Industrial Metals & Mining topped the gains.
Mining giant Anglo American led the top gainer of London blue chip with a gain of 9.33 percent.
BHP Billiton, Antofagasta, Standard Chartered and Rio Tinto increased by 9.21 percent, 8.90 percent, 7.03 percent and 6.77 percent respectively.
Only one of the index's 101 components, or Whitbread, closed lower. It slipped by 0.91 percent.
Trading volume in FTSE 100 companies was around 25 percent larger than the 30-day average. And the index has lost 2.70 percent so far this year.
The broader FTSE All-Share Index gained 3.21 percent.