Snap shares tumbled as much as 30% in Friday's pre-market after a second-quarter earnings miss. Slumping ad revenue and a slowing economic backdrop hit the company's top and bottom lines. Goldman Sachs almost halved its price target for the stock and downgraded it to "neutral." "While the continued growth of our community increases the long-term opportunity for our business, our financial results for Q2 do not reflect our ambition," Snap CEO Evan Spiegel said in a statement. To read the full story by Amanda Cooper, tap the link in our bio. (Credit: Snap)