The Mainland China share market finished session lower on Tuesday, 22 December 2020, as investor sentiment was dampened by concerns that a new variant of the coronavirus virus spreading in Europe could cloud the outlook for global economic recovery from the COVID-19 pandemic. Meanwhile, selloff pressure intensified amid persisting concerns over Sino-U. S. trade tensions after the US further expanded its blacklist of Chinese companies with so-called military connections. At closing bell, the benchmark Shanghai Composite Index declined by 1.86%, or 63.79 points, to 3,356.78. The Shenzhen Compos...