The Federal Reserve Bank of Philadelphia’s August Manufacturing Business Outlook Survey shows employment indicators weakened considerably, 24/7 Wall St. reports. The employment index dropped 18 points to -20.0, the largest negative reading for the current year. Although 67% of the firms reported no change in employment this month, the 25% reporting decreases significantly exceeded the 5% reporting increases. The workweek index also fell; 25% of the firms reported a decrease in average work hours while only 13% reported an increase.