If stocks are real enough that you get to count a change in their value as in change in your wealth, then that change in value is real enough to tax as income.
If they're not taxable, you shouldn't get to count them as part of your net worth.
SpaceX's 11% share price boost has made Elon Musk the world's first trillionaire, controlling two of the world's largest companies. ft.trib.al/r8K3jYL
