Ambarella Inc. /zigman2/quotes/207997433/composite AMBA +2.96% shares rose in the extended session Monday after the video components maker reported a better-than-expected outlook and results. Ambarella shares gained 5.5% after hours, following a 0.1% decline in the regular session to close at $66.37. The company reported a third-quarter loss of $17.1 million, or 49 cents a share, compared with a loss of $4.3 million, or 13 cents a share, in the year-ago period. Adjusted earnings, which exclude stock-based compensation expenses and other items, were 9 cents a share, compared with 32 cents a share in the year-ago period. Revenue declined to $56.1 million from $67.9 million in the year-ago quarter. Analysts surveyed by FactSet had forecast adjusted earnings of 5 cents a share on revenue of $54.1 million. Ambarella expects revenue between $56 million and $60 million in the fourth quarter, while analysts had forecast on revenue of $51.8 million.