Shares of A10 Networks (NYSE: ATEN) have plunged today, down by 17% as of 12 p.m. EDT, after the company reported first-quarter earnings.Revenue in the first quarter rose 12% to $60.3 million, which translated into non-GAAP net income of $0.7 million, or $0.01 per share. Those figures topped the Street's expectations of $59.8 million in sales and $0.00 per share in adjusted profit.Image source: Getty Images.Continue reading