THURSDAY,AUGUST31,2023~VOL.CCLXXXIINO.52WSJ.comU.S.EditionDJIA34890.24À37.570.11%NASDAQ14019.31À0.5%STOXX600459.13g0.2%10-YR.TREAS.À1/32,yield4.117%OIL$81.63À$0.47GOLD$1,944.30À$7.90EURO$1.0925YEN146.25Prosecutorsareinvestigat-ingTesla’suseofcompanyfundsonasecretprojectthathadbeendescribedinternallyasahouseforChiefExecu-tiveElonMusk,peoplefamil-iarwiththemattersaid.A1Salesforcesharesroseaf-teritsaiditsprofitex-pandedlastquarterasitcutcostsandleanedintonewproductsthatincorporateartificialintelligence.B1U.S.stocksralliedforafourthstraightsession,withtheS&P500,NasdaqandDowadvancing0.4%,0.5%and0.1%,respectively.B11Workerswhomake$55,000ayearorles...