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Market Briefs

Fast, plain-English recaps of what moved and why — with what to watch next.

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What Is a 13F Filing? (And How to Actually Read One)

Every quarter, big investors must reveal their stock holdings in SEC 13F filings. What's in them, what's not, and how to read them without being misled.

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Market Briefs

The STOCK Act, Explained: How to Track What Congress Trades

Members of Congress must disclose their stock trades under the STOCK Act. Here's what the law requires, where the filings live, and how to read them carefully.

8 min read

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