Amazon down after signaling slower AWS growth Pinterest, Snap fall on downbeat forecasts Intel gains on upbeat view on margins March PCE index due at 8:30 a.m. Snapchat-owner Snap IncSNAP.N tumbled 17.8% as it warned next quarter results could miss Wall Street targets, while Pinterest IncPINS.N dropped 14% after the image-sharing platform forecast second-quarter revenue growth below estimates as advertising spending declines. Still, the Federal Reserve is expected to raise interest rates by 25 basis points at its May 2-3 meeting, potentially the last hike in the U.S. central bank's fastest monetary policy tightening cycle since the 1980s.