By Devik Jain, Bansari Mayur Kamdar and Sinéad Carew (Reuters) – U.S. stocks added slightly to the previous session’s rally on Thursday as investors considered the path laid out by the Federal Reserve for interest rate hikes, while closely tracking Russia-Ukraine peace talks. Energy was the biggest percentage gainer as oil prices climbed back to about $100 again while technology .SPLRCT was the weakest of the 11 major S&P 500 sectors after advancing sharply on Wednesday. The U.S. central bank on Wednesday raised interest rates by a quarter of a percentage point as expected and forecast an aggr…