The day-to-day volatility for the S&P 500 settled down on Monday and Tuesday. But two-thirds of stocks in the U.S. large-cap benchmark index have declined this year, with 220 of the 500 stocks down at least 10% and 82 down at least 20%.

Most U.S. stocks are climbing Thursday, but the worst drop for UnitedHealth Group in a quarter of a century is keeping Wall Street in check. The S&P 500 was 0.5% higher in late trading, as 6 out of every 7 stocks within the index climbed in the final day of trading for a holiday-shortened week.

Wall Street has set ambitious price targets for the stocks in this article. While this suggests attractive upside potential, it’s important to remain skeptical because analysts face institutional pressures that can sometimes lead to overly optimistic forecasts.