Agilent Technologies Inc (A.N) cut its full-year adjusted profit forecast, citing lower revenue from its electronic measurement business due to "challenges" in the aerospace and defense market.
Shares of Agilent fell 7 percent in extended trading.
The company said it expected adjusted earnings of $2.96 to $3.16 per share for the full year 2014.
It had earlier forecast $3.03 to $3.33 per share.
Analysts were expecting the company to earn $3.19, excluding items, according to Thomson Reuters I/B/E/S.
Agilent shares closed at $60.08 on the New York Stock Exchange on Thursday.
(Reporting by Shailesh Kuber; Editing by Don Sebastian)