Key Points The "cardboard box" indicator has been used by Federal Reserve economists. This metric currently shows that the economy and the stock market could be in for a rough spell.

00:01, Fri, Jun 6, 2025 | UPDATED: 09:20, Fri, Jun 6, 2025 Share Article Bookmark Comments A gardening expert says you should always save cardboard boxes (stock image) (Image: Getty) ...