seoul nov 2 reuters  south koreas annual consumer inflation in october ticked up from september against market expectations for no change government data showed on wednesday the consumer price index cpi rose 57 in october from a year earlier according to the statistics korea data the rate had slowed in september to 56 from 57 in august the median forecast in a reuters survey of economists was for the annual cpi growth to be 56 in october although five of the 11 economists polled predicted higher rates the cpi rose 03 in october on a monthly basis the same rate as in september and higher than a 02 gain seen in the survey