* Reflects renewed SoftBank appetite for early-stage investing. : TOKYO (Reuters) - SoftBank Group Corp said on Friday its Seoul-based venture capital unit focusing on early-stage investments has raised a 317 billion won ($270 million) fund. SoftBank Ventures Asia’s new fund will invest in early-stage startups globally with a focus on Asia, the tech conglomerate said. The new fund, which aims to close in the next six months with investors including South Korea’s National Pension Service, reflects a renewed appetite by SoftBank for early-stage investing.