Japan's richest people accumulated more wealth over the past year despite the COVID-19 pandemic, with their collective wealth jumping nearly 50 percent, Forbes Asia reported Thursday.The collective net worth of the country's 50 richest people rose 48 percent to $249 billion from the previous year, thanks to a rebound in exports as well as the benchmark Nikkei Stock Average being up 54 percent from a year earlier.For the first time, the wealth of each of the 50 richest has exceeded $1 billion, according to the business magazine's 2021 ranking, which put SoftBank Group Corp. Chairman and CEO …READ FULL ARTICLE