Personal finance, explained quietly

Clear answers on taxes, retirement and money, without the hype.

Fintrovert is an independent guide for US readers. We explain how the rules actually work, show the math, and update every guide when the numbers change.

Start with the guides

The guides

Four places to start

Every guide lives in one hub

Taxes

Brackets, deductions, credits and filing, in plain language.

Retirement

401(k)s, IRAs, Roth choices and how much is enough.

Saving & Credit

Emergency funds, high-yield savings and credit scores.

Investing

Index funds, asset allocation and staying the course.

Do the math

Calculators & tools

All calculators

Updated through the trading day

Market News

Updated Nov 2, 2026, 9:15 PM ET

Marvell agrees to buy Lumentum in a $115 billion all-stock deal.

ock deal. Marvell said Monday it will acquire optical-parts maker Lumentum, with Lumentum holders getting 4.5 Marvell shares for each share they own. The companies expect…
Marvell press release (opens in a new tab)
Apple beats on quarterly sales but guides to thinner holiday margins.

In John Ternus’s first report as CEO, Apple posted record September-quarter revenue of $114.5 billion, helped by early iPhone 18 Pro demand and higher prices. It…
Reuters via Investing.com (opens in a new tab)
Palantir raises its full-year outlook after revenue nearly doubles.

Palantir reported third-quarter revenue of about $2.31 billion, up 96% from a year earlier, and US commercial sales topped its US government business for the first…
CNBC (opens in a new tab)
Oracle files to raise $20 billion in stock and bonds for its AI buildout.

Oracle launched a $10 billion share sale and a separate $10 billion bond offering, the full funding amount it previewed at last week’s investor day. The…
CNBC (opens in a new tab)