French luxury goods maker Hermes HRMS.PA jumped 3.1% after HSBC upgraded the stock to "hold", while peers LVMH LVMH.PA, Richemont CFR.S and Kering PRTP.PA all rose more than 2%. Corrects paragraph six to say "boost", not "hit" Oct 7 (Reuters) - European stocks rallied in early trading on Thursday as easing oil and gas prices offered some relief to investors worried about runaway inflation. Royal Dutch Shell RDSa.L inched up 0.4% after saying that soaring natural gas and electricity prices around the world will provide a significant boost to its cashflow in the third quarter.