20% Down? Don't Count on a Bear Market One of the most enduring is the idea that a 10% decline is a correction and a 20% decline is a bear market. The definition is simple, memorable and widely accepted, but it was developed for a market that looked very different from today's. Original Source: https://www.newsmax.com/finance/economy/bear-market-valuations/2026/05/29/id/1257937