Private-credit firm Sixth Street commits $4B in capital for Affirm to underwrite short-term installment loans of between four and six months (Leslie Picker/CNBC)

Leslie Picker / CNBC:
Private-credit firm Sixth Street commits $4B in capital for Affirm to underwrite short-term installment loans of between four and six months  —  Two trendy areas in finance - fintech and private credit — are coming together in a new multi-billion dollar joint venture.