It is what the market says it would cost to buy the whole company. Set beside a profit or cash flow forecast, it shows how much of that future the market actually believes. When forecast profits sum to more than the market cap, the market is not taking the forecast at face value, and where that gap comes from is where an investment judgment starts.
Awaiting gradingWhy did the Kospi fall another 8% on the day JPMorgan said the forced selling was nearly done?KOSPI jumped a record 17.91% on 7/31, but foreign and institutional selling resumed on 8/3, sending Samsung/SK hynix down another 7-8% and KOSPI down ~3.6%. The reversal within days makes it too early to tell whether this is the tail of the liquidation or fresh selling. Score after another 1-2 weeks once the swings settle.
MissApple's stock rose just 1%. Why did it just become the world's most valuable company?Apple briefly took the market-cap lead on 7/27 (~$4.95T), but its 7/30 earnings brought weak Q4 guidance on supply constraints and rising memory costs; the stock plunged 7.35% on 7/31 (closing $308.91, market cap $4.54T) and Nvidia reclaimed the crown ($4.86T) after just four days. FY2026 capex guidance came in around $13-14B, only a modest rise from FY2025's $12.7B rather than a clear rebound.
HitThe market didn't lose $900 billion to the Iran war on July 23. It lost $797 billion to AI-capex fearsBy July 29, 2026 the AI-capex-driven selloff had deepened rather than recovered: the Nasdaq 100 fell into correction territory (down over 10% from its June record) and the VanEck semiconductor ETF dropped for a fourth straight session, confirming AI-capex fears -- not the Iran war -- kept driving the market, as the original piece had argued.