CHARLY TRIBALLEAU / AFP via Getty Images U.S. stock futures point higher ahead of a trading week that includes expected tariff implementation, jobs data, and an address from President Donald Trump; crypto-related stocks jump after Trump announces details of U.S. strategic reserve; Warren Buffett says that tariffs are an "act of war"; Kroger's (KR) CEO resigns amid an investigation into his personal conduct; and shares of Capri Holdings (CPRI) jump on report the fashion brand owner is moving closer to selling Versace. Here's what investors need to know today. 1. US Stock Futures Point Higher Ahead of Tariffs, Trump Remarks…