US business activity falls for the first time since 2013 amid the coronavirus outbreak

The IHS Markit purchasing managers' index fell 3.7 points to 49.6 on Friday. The index measures composite output at factories and service providers.
Any reading below 50 signals a contraction. Friday's PMI marks the first contraction in US business activity since 2013. 
The deterioration in PMI "was in part linked to the coronavirus outbreak, manifesting itself in weakened demand across sectors such as travel and tourism, as well as via falling exports and supply chain disruptions," said IH