BUSINESS DIGEST
The Economy Fresh evidence of an improving economy was reported by the Government. New orders for durable goods surged 2 percent in November, marking the longest streak of gains since 1987. The Commerce Department also reported that personal incomes rose 0.6 percent and personal spending grew 0.4 percent. [ Page D1. ] Sales of domestically built vehicles rose 31 percent in mid-December. Nearly every company that builds vehicles in North America sold more of them. [ D1. ]