CNBCs Charitable Trust Trims Stock That Surged 46 in a Week 80 Since April First Quarter Earnings Reveal a Cautious Consumer Signs of Strain Ahead MACOM MTSI Forges LongTerm Supply Pacts with IQE plc Strengthening Semiconductor Supply Chain Dropbox CEO Andrew Houston Steps Down Insider Ashraf Alkarmi Takes Helm Kevin Warsh Set to Be Sworn In as Federal Reserve Chair on Friday Wall Street Ends Higher as Healthcare and Tech Lead Energy Lags US Official Highlights Japans Role in Fentanyl Smuggling Route Raising Alarms Over Transnational Crime