Shares were mixed in Asia on Tuesday after Wall Street suffered its worst session in two years, with the Dow Jones Industrial Average slumping more than 1,000 points on fears that a viral outbreak that began in China will weaken the world economy. Japan's Nikkei 225 index lost 3.3%, to 22,605.41 after it reopened from a holiday on Monday and Prime Minister Shinzo Abe called for a nationwide effort in containing an escalation in the spread of the coronavirus. Hong Kong's Hang Seng edged 0.2% higher, to 26,856.68 and the Shanghai Composite index shed 0.7% to 3,009.51. In Australia, the S&P ASX/200 shed 1.6% to 6,866.60. South Korea's Kospi rebounded from a steep loss on Monday, adding 1.2% to 2,103.61. Shares also rose in Singapore but fell elsewhere in the region, AP reported. Benchmark U.S. crude oil was stable, gaining 26 cents to $51.69 per barrel in electronic trading on the New York Mercantile Exchange. It fell $1.95 to settle at $51.43 a barrel on Monday. Brent crude oil, the international standard, gained 25 cents to $56.02 per barrel. On Monday, it dropped $2.17 to close at $55.77 a barrel. Gold retreated as shares steadied, losing $33.90 to $1,642.70 an ounce, silver lost 54 cents to $18.34 per ounce and copper fell 3 cents to $2.59 per pound. The dollar rose to 110.85 Japanese yen from 110.68 yen on Monday. The euro strengthened to $1.0858 from $1.0853.