The risk level of businesses reached its lowest point over the last year during October as the number of businesses in danger of closing dropped during the month, research company Business Data Israel said Monday. BDI's business risk index improved to 5.78 in October from 5.90 in September and 6.05 in October 2005. In real figures, BDI said 1,280 businesses moved away from being at risk of closure, bringing the total to 43,520 in that category. The monthly survey showed the chemical industry to be in the strongest position followed by metal and steel companies, vehicle marketing and wholesale businesses, and rubber and plastic concerns. Freight and cargo companies proved to at highest risk followed by general services, BDI said.