Citi's Perret-Green on the Fed's next steps.

With the Federal Reserve's program of quantitative easing set to end, Patrick Perret-Green, Citi's head of FX and rates strategy for Asia, spoke to CNBC about what the financial community will be looking to learn from chairman Ben Bernanke's first-ever press conference. "Are they going to start selling bonds or are they going to maintain the size of their balance sheet?" he said. "That's the key question for most traders and investors at the moment."