Forescout Technologies Inc. shares rallied in the extended session Thursday after the cybersecurity company's results and outlook topped Wall Street estimates. Forescout shares surged 10% after hours, following a 2.9% decline to close the regular session at $30.92. The company reported a fourth-quarter loss of $17.9 million, or 42 cents a share, compared with a loss of $47.4 million, or $1.73 a share, in the year-ago period. The adjusted loss was 1 cent a share. Revenue rose to $84.7 million from $62.9 million in the year-ago quarter. Analysts surveyed by FactSet had forecast a loss of 25 cents a share on revenue of $77.8 million. Forescout expects an adjusted loss of 45 cents to 43 cents a share on revenue of $71.9 million to $74.9 million for the first quarter, and an adjusted loss of 45 cents to 37 cents a share on revenue of $363.1 million to $373.1 million. Analysts had forecast a loss of 33 cents on revenue of $71.6 million for the first quarter, and a loss of 39 cents on revenue of $348.7 million.