SoftBank Vision Fund 2 is in advanced stages of talks to invest up to half a billion dollars into food delivery startup Swiggy, two sources familiar with the matter told TechCrunch. The new investment values the Indian startup at about $5.5 billion, the sources said. The new investment would add to the $800 million fundraise Swiggy unveiled earlier this month. SoftBank began exploring investment in India’s food delivery space earlier this year, and also looked at Swiggy’s rival Zomato. But the investment firm picked Swiggy earlier this week, a person familiar with the matter said. Swiggy and SoftBank declined to comment.…