SoftBank's acquisition of ABB's robotics unit reflects billionaire Masayoshi Son's renewed interest in robots. The company was behind the development of humanoid, Pepper, which was unveiled in 2014.

SoftBank's acquisition of ABB's robotics unit reflects billionaire Masayoshi Son's renewed interest in robots. The company was behind the development of humanoid, Pepper, which…

The deal marks a significant push by SoftBank founder Masayoshi Son into robotics, as he expands investment after a period of retrenchment.