Now a well-chronicled global incident, on 9 March 2009 the S&P 500 index suffered the worst decline in value since the Great Depression.
Trade, inflation, slow growth and yield curve to blame
In 2018, emerging markets experienced a risk-off period, taking a hit from a combination of rising US interest rates, dollar appreciation and major political tensions pitting the US against China, Russia and Turkey.
Weaker dollar and lower oil price could help investors
US Fed chairman, Jerome Powell, recently described the conventional approach to setting US interest rates as "navigating by the stars".
US 10-year Treasury yields hit seven-year high