Elon Musk is now officially richer than Warren Buffett. Here's why that doesn't necessarily tell the full story of the billionaires' wealth.

9:21am PDT - July 13th, 2020    midamerican - Business Insider

• Elon Musk has overtaken Warren Buffett on the Bloomberg Billionaires Index.
• The Tesla CEO is worth $70.5 billion, while the Berkshire Hathaway CEO's fortune stands at $69.2 billion.
• Musk has benefited from Tesla stock skyrocketing i…