But there is a non-statistical basis for concern: an ominous parallel with the financial environment that prevailed in the weeks leading up to the October 1987 stock-market crash. On that day — Black Monday — the Dow Jones Industrial Average dropped 22.6% in a single session.

Live Updates Live Coverage Has Ended Friday Wrap-up 4:19 pm The Vanguard S&P 500 ETF closed Friday at 571.45, down 1.6% for the day and down 2.4% for the week. Colgate Looks Pearly White 11:46 am Fast-Moving Consumer Goods stock (FMCG) and S&P 500 component company Colgate-Palmolive (NYSE: CL) reported Q2 earnings of $0.