China factory activity edges up in September

[BEIJING] Activity in China's manufacturing sector unexpectedly picked up in September even as factory employment slumped to a 5 1/2-year low, a survey showed on Tuesday, a potential source of worry for Communist leaders who prize social stability above all else.

The HSBC/Markit Flash China Purchasing Managers' Index (PMI) rose to 50.5 in September from August's final reading of 50.2.

Economists polled by Reuters had expected factory growth to stall at 50, the level which separates expansion in activit…