Bill Winters, Standard Chartered CEO, says Hong Kong is still a gateway to China and that he doesn't expect that to change. David Malpass, World Bank President, expects U.S. rate hikes to be challenging for emerging market countries. Savita Subramanian, Bank of America Securities U.S. Equity & Quantitative Strategy Head, says investors are being too optimistic about margins. Kathy Jones, Charles Schwab Senior Vice President and Chief Fixed Income Strategist, says the Fed can't live up to the market's rate hike expectations.