SoftBank amasses $4 bln stake in Nvidia: Bloomberg

SoftBank Group Corp has amassed a $4 billion stake in Nvidia Corp, Bloomberg is reporting. SoftBank disclosed it owned an unspecified amount of Nvidia stock. A holding of 4.9 percent, just under the amount that would require a regulatory disclosure in the U.S., would be worth about $4 billion, The story said. Nvidia, of Santa Clara, California, is a graphics chipmaker.