After closing above 14,000 for the first time in late July, the Dow has since plunged nearly 1400 points, or 9.8 percent, close to an official correction. The S&P 500 has given up all of its gains for the year.
All this has added a certain cogency to the view that the five-year-old bull could be closer to the end of its road. So while you know better than to try to time the market - and you do, don't you? - now is a good moment to check that your portfolio truly matches your appetite for risk.
In the meantime, keep an eye out for five signs that often precede a sharp turn ahead.