by Natsuko FUKUE Agence France Presse TOKYO, Japan (AFP) — Once asked on Twitter about his receding hairline, Masayoshi Son, founder of Japanese telecoms giant SoftBank, retorted: “My hair is not receding. I’m advancing.” It was a typically bullish remark from the 60-year-old tycoon, listed by Forbes as Japan’s richest man with an estimated fortune of $22.2 billion, who has embarked on a furious spree of purchases culminating in Thursday’s deal to take a hefty […]