A disruption at a port thousands of kilometres away can travel through freight schedules, warehouses, wholesalers, and eventually local shelves.
Why it matters
The final effect is rarely explained by one dramatic event. It is the result of timing, inventories, currency movements, transport costs, and the choices businesses make while uncertainty continues.
World news becomes local news when it changes an everyday decision.
Following that chain helps readers distinguish a temporary shortage from a deeper change in supply.