The dollar weakened against major currencies, including the yen and euro, on Friday after an unexpected decline in US employment in July fueled concerns about the economy and clouded the Federal Reserve’s interest-rate outlook, Reuters reported.The US economy shed 23,000 jobs in July, compared with an increase of 80,000 forecast by economists polled by Reuters, Labour Department data showed. The unemployment rate declined to 4.1%, but the labour-force participation rate fell to 61.4%, its lowest level in nearly five-and-a-half years.“The big drop that we saw this morning is almost wholly related to the US employment report for July because I…