The markets closed flat with the Dow slipping 11 points to 24,311 over concerns of a slowing economy. Nasdaq edged up a point to 7119.

On the upside

Shares of DocuSign (Nasdaq: DOCU) surged in its market debut.

Goosehead Insurance (Nasdaq: GSHD) stock leaped on its first trading day.

Shares of Smartsheet (NYSE: SMAR) soared in its debut on the stock market.

On the downside

World Fuel Services (NYSE: INT) reported flat earnings for the first quarter even as revenue climbed.

Aquantia (NYSE: AQ) reported a loss for the first quarter.

First quarter revenue for National Instruments (Nasdaq: NATI) fell short of expectations.

In the broad market, advancing issues outpaced decliners by a margin of more than 4 to 3 on the NYSE while advancers edged out decliners by a slim margin on Nasdaq. The broader S&P 500 added 2 points to 2,669. Bitcoin tumbled $108 to $8,990.