投資ガイド

How to Read an Income Statement (Part 1): What Revenue Actually Tells You

A beginner's guide to reading revenue, the top line of the income statement — explained with Samsung Electronics' FY2025 ₩333.6 trillion ($243B) filing. Learn what revenue tells you, why you should break it down by product and geography, and why Samsung is fundamentally a cyclical memory business.

2026.04.24.16

投資ガイド

Why You Should Read 10-K Annual Reports: The Single Best Habit for Stock Investors

Most retail investors never read 10-K filings — the one document that tells the truth about a company. Reading annual reports is hard, but it's the single most reliable way to go from gambling on tickers to actually owning businesses. Here's why it's the best habit you can build as an investor.

2026.04.23.14