Michael Nagle / Bloomberg / Getty Images Key Takeaways Shares of Netskope surged Friday, extending gains after making their debut on the Nasdaq Thursday. The cybersecurity firm sold 47.8 million shares at $19 each in its initial public offering, at the top end of its expected range. CEO Sanjay Beri said he expects going public could help Netskope boost its credibility and customer awareness. Shares of Netskope (NTSK) surged Friday, extending gains after making their debut on the Nasdaq Thursday. ...