SANTA ROSA, Calif.--(BUSINESS WIRE)--Keysight Technologies, Inc. (NYSE: KEYS) today reported revenues of $740 million for the second fiscal quarter ended April 30, 2015, flat compared with one year ago. Second-quarter GAAP net income was $96 million, or $0.56 per share. Second-quarter GAAP operating margin was 17 percent. During the second quarter, Keysight had share-based compensation of $13 million, separation costs of $5 million, intangible amortization of $2 million, asset impairment of $2