U.S. stocks on Tuesday were giving up opening gains and trending firmly in negative territory as the 10-year Treasury note yield breached an all-time low, reflecting persistent worries about the impact of COVID-19, the illness derived from the novel s train of coronavirus, to supply chains and economies world-wide. The 10-year Treasury note hit an intraday low at 1.321%, according to FactSet data, which is just a few basis points below its 2016 nadir at 1.325%. Bond prices rise as yields fall. Stocks, meanwhile, appeared to come under pressure as yields for government bonds continued to edge lower. The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA +1.78% was off 329 points, or 1.1%, at 27,656, following a more-than 1,000-point drop for the blue-chip gauge on Monday. The S&P 500 index /zigman2/quotes/210599714/realtime SPX +1.80% retreated 1.1% at 3,191, while the Nasdaq Composite Index /zigman2/quotes/210598365/realtime COMP +0.87% was down 1.1% at 9,116 in late-morning action. The 30-year Treasury note, meanwhile, has already hit an all-time low, achieved last week. The number of worldwide cases of COVID-19 continues to rise; there are now 80,238 cases in 34 countries and at least 2,700 deaths, according to the World Health Organization (WHO).