S&P 500 slips for a second day as shaky October start continues on escalating Middle East tensions: Live updates CNBCFutures Fall Ahead Of ADP Jobs Report Investor’s Business DailyStock Market Today: Oil Prices Rally Further; Dow Futures Fall — Live Updates The Wall Street JournalWall St set to open lower after Middle East tensions make investors jittery ReutersWall Street kicks off Q4, port strike begins Yahoo Finance