Snap Inc. SNAP, -1.97% shares soared in the extended session Tuesday after the company beat fourth-quarter revenue and earnings expectations. The social network's shares surged 26% to $17.63 after hours. The company reported fourth-quarter net losses of $350 million, or losses of 28 cents a share, compared with losses of $170 million, or losses of 20 cents a share, in the year-ago period. Adjusted earnings were 13 cents a share. Revenue rose to $285.7 million from $165.7 million in the year-ago period. Analysts surveyed by FactSet had estimated losses of 33 cents a share on revenue of $254.8 million; analysts expected adjusted losses of 15 cents a share. For the first quarter analysts model losses of 30 cents a share on revenue of $237.8 million. Snap stock has lost 4.7% this year, as the S&P 500 index SPX, -1.11% dropped less than 1%.