Walmart's CEO is pledging to be "thoughtful and deliberate" in the company's response to the shooting at its store in El Paso, and one last week at a store in Southaven, Mississippi. Doug McMillion wrote in a lengthy instagram post “we’re a learning organization, and we’ll work to understand the many important issues arising from El Paso and Southaven as well as those raised in the broader national discussion around gun violence." Yahoo Finance's The First Trade panel discusses the latest.