SoftBank Group Corp. chief executive Masayoshi Son said Wednesday that the company will bolster its investment business in a shift in the telecommunications-oriented company's growth strategy."I have used 97 percent of my brain to consider the telecom businesses but will shift that to investments," Son said at a meeting with more than 2,300 shareholders in Tokyo.Son, one of most influential investors in the technology industry, said his company will strengthen its focus on investments in start-up ventures with artificial intelligence and other cutting-edge technologies through its $100 bill…READ FULL ARTICLE