US online job ads decreased in August by 46,300 to about 4.6 million, according to The Conference Board’s report on online job ads released today. Most occupations showed losses over the month and most states showed small losses.

The August decrease follows an increase in July but declines in June, May and April.

Transportation and material moving ads had the largest decrease in August, down by 24,700 to 324,100, followed by healthcare practitioners and technical ads, which decreased by 15,400 to 505,700 ads. Business and financial operations ads fell by 9,700 to 291,800 ads.

Three of the largest 10 online occupational categories posted increases in August. Food preparation and serving-related ads logged the largest increase, up by 3,300 to a total of 224,200. Sales and related followed, up by 2,600 ads to 444,800; ads for installation, maintenance and repair jobs edged up by 2,100 to 200,300.