Occidental Petroleum OXY.N added 2.9%, leading gains among oil companies. By Devik Jain Jan 6 (Reuters) - U.S. stock indexes were set for a mixed open on Thursday, with banking and energy shares leading gains, while interest rate-sensitive growth names remained under pressure from the Federal Reserve's hawkish signals. "The hawkish tone of the FOMC (the Federal Open Market Committee) minutes suggests that the central bank is concerned about inflation," said Nancy Davis, founder of Quadratic Capital Management.