NetScout Systems, Inc. provided earnings guidance for the fiscal year of 2019. For the year, the company expected GAAP revenue to be around $923 million against its prior guidance that ranged from $923 million to $958 million. The Company’s fiscal year 2019 GAAP net loss per share (diluted) is now expected range from $0.96 to $0.89 against its prior guidance that ranged from $0.93 to $0.78.