By Jacqueline Corba

BODY: Shares of DocuSign surged 37 percent in the their market debut Friday. The electronic signature company raised $629 million in its initial public offering and ended the day with a market value of nearly $6 billion.

"The reception we've received on Wall Street has been great," said the DocuSign CEO Dan Springer. "The company has the scale, we have over 500 million dollars of revenue. The company continues to have great growth."

In fiscal 2018, DocuSign became cash-flow positive and generated $518 million in revenue.

Springer said the company is looking toward international expansion. Only 17 percent of the firm's revenue is from outside of the U.S.

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