Evan Spiegel, CEO of Snap Inc., attends the annual Allen and Co. Sun Valley Media and Technology Conference at the Sun Valley Resort in Sun Valley, Idaho, on July 9, 2025.David A. Grogan | CNBCSnap shares tanked 15% Tuesday when it reported second-quarter earnings in which global average revenue per user missed expectations.Here is how the company did compared with Wall Street's expectations:Earnings per share: Loss of 16 cents. That figure is not comparable to analysts' estimates.Revenue: $1.34...