For investors, fall is a good time to review year-to-date gains and losses. Not only can it help you assess your financial health, but it also can help you determine whether to buy or sell investments before year end to save taxes. This year, you also need to keep in mind the impact of the Tax Cuts and Jobs Act (TCJA). While the TCJA didn’t change long-term capital gains rates, it did change the tax brackets for long-term capital gains and qualified dividends. For 2018 through 2025, these brackets are no longer linked to the ordinary-income tax brackets for individuals. So, for example, you could be subject to the top long-term capital gains rate even if you aren’t subject to the top ordinary-income tax rate. Old rules For...