subject: Investment Update Regarding Recent Market Volatility [print this page] In short, SEI believes it is important for long-term investors to be patient when faced with panic-inducing headlines. If investment time horizons are measured in years, it does no good to worry about day-to-day reports of doom and gloom. As the current crisis continues to mend, we believe some of the best defenses investors have at their disposal may be diversified investment portfolios.