Topic
Taxes
4 articles

529 plans
529 Plan College Rent Covered: Savings Tips on What Else Is Tax-Free
A MarketWatch reader asks what else a 529 plan can pay for tax-free once college rent is covered. Here is the question families should ask before withdrawing.
Guide
401(k) vs. IRA: How Retirement Accounts Compare
A 401(k) is offered through an employer and an IRA is opened on your own. Compare traditional and Roth versions, employer matches, rollovers and withdrawals.
Guide
How Tax Brackets Work: Marginal Rates Explained
Tax brackets apply rates in layers, so a raise cannot shrink your take-home pay. See how marginal and effective rates differ and where to find IRS figures.
IRS
Tax news: IRS holds Q4 2026 interest rates steady at 7%
In IR-2026-98 on August 21, 2026, the IRS kept interest rates on individual tax overpayments and underpayments at 7% for the fourth calendar quarter of 2026.