Democratic presidential candidate Joe Biden's proposal to target high-income investors could limit investment in new businesses and asset selloffs. Currently, the long-term capital gains tax rate for incomes above $400,000 is 20% (specifically, that's $496,600 for married filing jointly, $441,550 single filers, taxable income). Under Biden's plan, the rate would increase to 39.6% for incomes above $1 million. Experts say […]