BANGKOK—Shares slipped in Europe and Asia on Friday after a retreat on Wall Street that left the Nasdaq composite down 2.5 percent. Germany’s DAX lost 0.6 percent to 15,928.83 and the CAC 40 in Paris shed 0.7 percent to 7,145.19. Britain’s FTSE 100 edged 0.1 percent lower to 7,556.29. On Wall Street, the future for the Dow industrials and the S&P 500 both were 0.1 percent higher. China reported its global trade surplus surged nearly 30 percent in 2021 to $676.4 billion. The trade surplus in December swelled 20.8 percent over a year earlier to a monthly record of $94.4 billion, customs data showed Friday. Exports rose to $3.3 trillion in 2021 despite shortages of processor chips for smartphones and other products as global demand rebounded from the pandemic. Manufacturers also were hampered by power rationing imposed in some areas. South Korea’s central bank raised its key interest rate to …