Pascal Le Segretain / Getty Images Entertainment via Getty Images We are seven days into 2026, and Elon Musk’s net worth is already up $10 billion to $630 billion, according to the Bloomberg Billionaires Index. Tesla Inc.’s (NASDAQ: TSLA) stock price is down so far this year, so the gain cannot be attributed to that. Musk owns about 14% of the electric vehicle maker. 24/7 Wall St. Key Points Elon Musk’s net worth has already increased by $10 billion this year, even though Tesla Inc.’s (NASDAQ: TSLA) s ...