US stock futures marginally lower; Powell speech in focus Investing.comStock market today: US futures point to downbeat start to big jobs report week Yahoo FinanceStock Market Today: Dow Jones Futures Fall Ahead Of Powell Speech; Nvidia, Tesla Slide Investor’s Business DailyWhat To Expect in the Markets This Week InvestopediaSlew of data to reinforce outlook for soft landing in US economy – BofA Investing.com