The needs and the urgency are great. But it's not just a matter of getting more money; it's also a question of how fast the World Bank can get to the places that need it. World Bank President Ajay Banga has said from the beginning of his tenure that the bank must get bigger and better at the same time.

But critics are warning that stock prices look too expensive given how much faster they’ve climbed than corporate profits. David Lefkowitz, head of U.S. equities at UBS Global Wealth Management, sees both sides.

The S&P 500 and Dow Jones Industrial Average notched new records on Friday, adding to a six-week winning streak for Wall Street. US: Netflix earnings and positive economic data fuel market optimism U.

U.S. stocks closed their latest winning week with more records Friday. The Standard & Poor's 500 rose 0.4% to squeak past the all-time high it had set early this week. The Dow Jones industrial average added 0.

Both the S&P 500 and the Dow Jones Industrial Average surged to new record highs Friday, sealing six straight weeks of gains.