TOKYO (Reuters) - Asian shares and Wall Street futures nudged higher on Wednesday amid hopes the worst of the coronavirus in China may have passed, although prevailing uncertainty about the outbreak has kept investors wary.MSCI's broadest index of Asia-Pacific shares outside Japan was up 0.31%.Chinese shares fell 0.12%, but investors in other equity markets looked past this decline. Shares in Hong Kong rose 0.57% to a three-week high.Australian shares were up 0.52%, while Japan's Nikkei stock..