Pinterest's Plunge Is Poised to Snap Nonstop Streak of GainsApr 30 2019, 3:13 PMApr 30 2019, 4:17 PMApril 30 2019, 3:13 PMApril 30 2019, 4:17 PM(Bloomberg) -- Pinterest Inc. shares were on track to do something on Tuesday that the newly public stock has yet to do - end lower.