The Federal Open Market Committee meeting started Tuesday and will culminate with a written policy statement and press conference Wednesday—but don't expect much clarity on where interest rates are headed.

As widely expected, the Federal Reserve's policymaking arm kept its policy interest rate unchanged at 4.25%-4.50% on Wednesday. The U.S. economy continued to expand "at a solid pace," the unemployment rate remains at a low level,

According to experts, the FOMC is expected to maintain status quo that will likely be accompanied by a neutral and data-dependent guidance.