Cable elicits fresh support by 1.3155 after dip on ISM services index beat

51.5 vs 51.1 f/c. 1.3155 was low after US jobless claims, productivity data

Subsequent rally topped out just shy of 1.3180, pre-ISM data release

1.3180 = September high, after dollar fell on US ADP jobs data miss

US jobs report due Friday at 1230 GMT; jobless rate forecast at 4.2%

Higher than expected US jobless rate might propel GBP/USD towards 1.3269