Credit scoring relies on weighted data, such as payment history and account age, but grocery receipts could someday help build credit files for millions of borrowers who don’t have credit records — aka those who are “credit invisible” — according to a study conducted by researchers at Rice University, the University of Notre Dame and Northwestern University. Trending Now: What $100 in Groceries at Costco Will Cost You at Walmart Find Out: 8 Things You Must Do When Your Savings Reach$50,000 The researcher ...