FireEye Inc. /zigman2/quotes/204730283/composite FEYE +4.48% shares declined in the extended session Wednesday after the cybersecurity company's billings results and outlook fell short of Wall Street estimates. FireEye shares fell 4% after hours, following a 0.3% decline in the regular session to close at $16.00. The company reported a fourth-quarter loss of $49.2 million, or 23 cents a share, compared with $48.4 million, or 25 cents a share, in the year-ago period. Adjusted earnings were 7 cents a share. Revenue rose to $235.1 million from $217.5 million in the year-ago quarter. Billings for the quarter rose 3% to $274 million. Analysts surveyed by FactSet had forecast earnings of 4 cents a share on revenue of $226.6 million and billings of $290.1 million. FireEye expects an adjusted first-quarter loss of 5 cents to 3 cents on revenue of $222 million to $226 million and billings of $165 million to $175 million. Analysts had forecast break-even earnings per share on revenue of $223 million and billings of $205.8 million.