By Jonathan Stempel (Reuters) -Warren Buffett’s Berkshire Hathaway (NYSE:) said on Thursday it made new investments in Domino’s Pizza (NYSE:) and Pool Corp (NASDAQ:) in the third quarter, even as it retrenched from stocks such as Apple (NASDAQ:) and Bank of America. Berkshire owned 1.28 million Domino’s shares worth about $549 million as of Sept. 30. It also owned 404,000 shares of Pool, a distributor of swimming pool supplies, worth