Narrowing spread in bond yields, a concern for RBI

Fed held rates at 3.50%-3.75% in Warsh's first meeting as chair, with Bitcoin and stocks slipping ahead of his debut presser.

US Federal Reserve chairman Kevin Warsh-led FOMC on Wednesday kept the key interest rate unchanged in the 3.5% to 3.75% range. This is Kevin Warsh’s first policy review after…