Kuwait Investment Authority is planning to manage more of its own assets as the world’s fifth-largest sovereign wealth fund seeks to take more risk to boost returns. The KIA, as the fund is known, wants to increase the allocation of funds managed in-house to as much as 8 percent from 1 or 2 percent at present, Managing Director Bader Al Saad said in an interview with Bloomberg Television on Wednesday at the World Economic Forum in Davos, Switzerland.