WASHINGTON (Reuters) -U.S. wholesale inventories increased a bit less than initially thought in July, suggesting businesses were not rushing to rebuild inventory after stocks were depleted in the second quarter. Stocks at wholesalers edged up 0.1%, instead of rising 0.2% as estimated last month, the Commerce Department's Census Bureau said on Wednesday. Economists polled by Reuters had expected last month's estimate would be unrevised. Inventories, a key part of gross domestic product, gained 0.2% in Jun ...