Money The Dow entered a bear market. Here’s what that means for investing in stocks. May 16, 2022September 27, 2022Elisabeth Buchwald, USA TODAYComments Off on The Dow entered a bear market. Here’s what that means for investing in stocks. Bear market: Nasdaq's already well into one. S&P 500 fell into one over summer, and Dow's hit one. Bear markets tend to last about 9 months.