Zoom Video Communications ( ZM ) shares surged in pre-market trading Friday after the web conferencing platform group posted stronger-than-expected first quarter profits in its first-ever report as a public company. Zoom said non-GAAP earnings for the three months ending in April, the company's fiscal first quarter, came in at 3 cents per share, swinging from a 2 cents per share loss over the same period last year and topping the Street consensus forecast by 2 cents. Group revenues, Zoom said, more than doubled from last year to $122 million and came in firmly ahead of analysts' estimates of $111.6 million. Looking into 2019, Zoom said it sees revenues in the region of $535 million and $540 million, firmly higher than the Refinitiv forecast of $520 million, and non-GAAP earnings as high as 3 cents per share. "We believe the growth opportunity for Zoom is significant.