The US Economy Grew at its Fastest Pace in nearly four years in the second quarter, expanding at an annualised rate of 4.1%, official figures show.
US President Donald Trump described the acceleration as "amazing", claiming it as proof his policies are working.
But many analysts cautioned that growth could cool in coming months.
"In one line: Looks great; won't last," wrote Ian Shepherdson, chief economist at Pantheon Macroeconomics.
BBC News.