Grab has agreed to buy Uber's Southeast Asian operations for an undisclosed amount.
Sprint has linked up with cable and internet provider Altice after talks of a merger deal with T-Mobile broke down.
Uniqlo plans to collaborate with Softbank's Masayoshi Son in order to transform the company into a more tech friendly one.
Jack Ma, Henry Sy, Masayoshi Son, Carlos Slim and Luis Carlos Sarmiento are all self-made millionaires who built their fortune outside America.