Asian shares rose Tuesday on optimism about a potential vaccine for the coronavirus after hopes for a U.S. economic recovery in the second half of the year sent Wall Street into a rebound. Japan’s benchmark Nikkei 225 added 1.5% to finish at 20,433.45. Australia’s S&P/ASX 200 jumped 1.8% to 5,559.50. South Korea’s Kospi was up 2.2% to 1,980.07. Hong Kong’s Hang Seng gained 2.1% to 24,442.42, while the Shanghai Composite ...