Walmart Inc. said on Monday that it has joined with investment company Ribbit Capital to create a new fintech initiation to further widen its financial-services offerings.The new company will be majority-owned by Walmart, and the board will include Chief Executive of Walmart US John Furner, Executive Vice President and Chief Financial Officer Brett Biggs, as well as Meyer Malka, managing partner of Ribbit Capital.Ribbit has supported numerous well-known fintech startups, including digital brokerage company Robinhood Markets Inc., buy-now-pay-later lender Affirm Inc. and personal-finance website Credit Karma Inc. Shares of Walmart increased by 1.3% in after-hours trading. The retailer’s stock is up almost 27% in the past 12 months.