BEIJING (Reuters) – Billionaire investor Warren Buffett will reach out to millions of Chinese in the most curious of ways: singing for the online version of China’s annual Spring Festival gala. The Berkshire Hathaway chief executive, best known in China for his investment in automaker BYD Co Ltd, has recorded a video specially for the gala in which he sings and plays the guitar, state news agency Xinhua said, citing Wang Pingjiu, a production executive for the broadcast. …