Weyerhaeuser reported a significant rise in third-quarter profit, driven by higher sales and a recovery in its timberlands and real estate segments. The results reflect a combination of improving housing market conditions, strategic timberland acquisitions, and divestitures of non-core assets.    For the quarter ended September 30, Weyerhaeuser’s net sales increased over 2% to $1.72 billion. Adjusted core profit from the timberlands segment rose to $148 million, compared with $122 million a year earlier, while the real estate unit saw its adjusted profit jump more than 18% to $91 million. Overall, the company ...