Stocks, commodities firmer as virus fever abates

LONDON (Reuters) - World markets bounced on Tuesday, with Chinese stocks reversing some of a previous coronavirus-related plunge amid official efforts to soothe nerves over the spreading outbreak, though sentiment remained fragile with oil near 13-month lows.MSCI's main world index rose 0.4%, led by gains in South Korea and Australia , the biggest leap in commodity-focused stocks in over three months. From Europe there was a 1.4% surge by the region's heavyweight FTSE in London as it enjoyed..