Softbank founder and CEO Masayoshi Son (pictured) has not given up on the idea of merging its US mobile operator Sprint with competitor T-Mobile US, Bloomberg reports citing sources. Softbank, which owns more than 80% of the US’ number four mobile operator after acquiring a majority stake in 2013, made a reported US$40 per share offer to buy T-Mobile in 2014. Softbank (TYO:9984) founder […]