Markets are down early Friday. Here's the scorecard: Britain's FTSE 100 is down 1.09%. France's CAC 40 is down 1.34%. Germany's DAX is down 1.80%. Spain's IBEX is up 2.03%. Italy's FTSE MIB is down 1.40%. This follows Thursday U.S. market sell-off where the Dow plunged 317 points. A new purchasing managers survey on Friday showed that British manufacturing in July grew at its slowest pace in a year.