Elon Musk has added $4.8 billion (₹30,000 crore) to his net worth in the past week, according to Bloomberg. Musk's fortune rose by $4 billion to hit $21.3 billion after recent funding round made his rocket-making firm SpaceX one of world's most valuable startups. Further, his Tesla stake rose by about $800 million after the carmaker announced its quarterly earnings.