Roles
| Source | Strength | Risk |
|---|---|---|
| News | Speed & context | Hype, second-hand |
| SEC filings | Binding, citable | Later than rumors |
Three-step check
- Spot a mover on the desk
- Read whether headlines explain it
- Confirm on the filings tape / stock filings (e.g. 8-K Item 2.02 or a 10-Q)
Mistakes to avoid
- Treating analyst commentary as company disclosure
- Ignoring Item numbers / exhibits
Disclaimer: Educational only — not investment advice.