European stocks will be closed on Tuesday due to the global investor monitoring the spread of delta Covid-19 and waiting for key economic data from the U.S.According to IG data, Britain's FTSE 100 is 4 points lower at 7,069, Germany’s DAX will inch around 8 points lower at 15,546, and France's CAC 40 will shed a single points to 6,557.Despite overnight gains on Wall Street that saw the S&P 500 close at record highs and the Nasdaq Composite close at new records, shares in Asia-Pacific retreated Tuesday. U.S. stock markets are forecasting a slightly lower open Tuesday. Overnight, oil prices fell as Covid-19-related flare-ups threatened to reduce fuel demand.The rapid spread of Covid-19 delta, a highly contagious variant of Covid-19, has sparked concern in Asia-Pacific. Many countries are currently fighting outbreaks.