European stocks climbed the most in more than a week, led by a rally in mining companies, after the Federal Reserve signaled U.S. interest rates will remain low to support economic growth.

Fed Vice Chairman Janet Yellen endorsed the central bank’s view that borrowing costs are likely to stay low through 2014 as the central bank misses its goal for full employment and inflation remains in check.

National benchmark indexes advanced in 15 of the 18 western European markets. The U.K.’s FTSE 100 rallied 1.3 percent, while Germany’s DAX and France’s CAC 40 (CAC) increased 1 percent. Spain’s IBEX 35 slipped 0.8 percent.

Rio Tinto, the world’s third-largest mining company, climbed 4.5 percent to 3,487 pence. BHP, the biggest, gained 2.8 percent to 1,906.5 pence and Xstrata Plc increased 2.5 percent to 1,105.5 pence.

China, the world’s largest consumer of copper, will publish its first-quarter GDP data tomorrow. The report is forecast to show the economy expanded 8.4 percent from a year earlier, slowing from the fourth quarter’s 8.9 percent increase, according to a survey of economists.

Hays rallied 8.9 percent to 88.5 pence after the U.K. recruitment company forecast full-year operating profit will “be towards the top of the current range of market estimates.”

Gerresheimer AG climbed 10 percent to 35.35 euros, the largest gain in three years, as the German maker of glass and plastic products for the health-care industry raised its forecast for the year.

Nokia Oyj dropped 7.2 percent to 3.04 euros, extending yesterday’s 14 percent selloff, as brokers reduced their recommendations on the shares. Societe Generale SA downgraded the biggest maker of mobile handsets by volume to hold from buy, while Morgan Stanley trimmed its price estimate by 32 percent to 2.60 euros after the company cut its profit forecasts yesterday.