AP Top Business News at 12:52 p.m. EDT

US retail sales slump unexpectedly and sharply after a summer tax-refund boost fadesLuigi Mangione pleads guilty to federal stalking charges in the killing of UnitedHealthcare CEOWall Street holds near its record following the latest weak update on the US economyOnline forum Reddit will join the influential and closely tracked S&P 500 indexHow to help after Colombia's devastating earthquakeAn 'influencer' degree? Colleges bet on content creator major as critics question its valueA surprise credit after an overseas purchase: The tariff refunds now flowing through shippersTrump White House says it's losing $19B-$26B a year in revenue as countries dodge tariffsForbes editor out; report says he took $6M from founder of firm that does business with magazineUS stocks rise to a record as oil pric