SoftBank Group Corp. Chairman and CEO Masayoshi Son said Wednesday his company will become a "vision capitalist" that plays a key role in the burgeoning field of artificial intelligence and other innovations.Speaking online to investors at a general shareholders' meeting, Son said SoftBank Group, which posted a record net profit for any Japanese firm in the previous business year, will continue to take risks and invest in promising startups that have yet to become profitable."Are we a venture capitalist? If I put it simply, we may be a gigantic venture capitalist. But it's too narrow a defi…READ FULL ARTICLE