America's labour market has roared back to life, creating twice as many jobs as expected last month, government figures showed yesterday, prompting speculation that the US federal reserve could call a halt to its policy of rock bottom interest rates. Firms hired more workers than they sacked for the third month in a row in September, adding 126,000 employees to their payrolls, according to labour department figures. Investors on both sides of the Atlantic cheered the news. In the City, the FTSE 100 index of leading shares closed up 52.7 points or 1.2% higher, while on Wall Street a surge...