Wall Street Week Ahead: Optimism among S&P 500 CEOs as Trump takes power

U.S. President Donald Trump's administration is only hours old, but already a small parade of S&P 500 companies' chiefs have voiced optimism that his promised tax cuts, stimulus spending and deregulation will boost corporate profits. In the days ahead of Friday's inauguration, senior executives from Morgan Stanley , Delta Air Lines and other major U.S. corporations said the Trump White House has already sparked a brighter outlook for business. "There is certainly more reason to be optimistic