By Elizabeth Dilts Marshall NEW YORK (Reuters) – Global shares rose on Wednesday after notes from the U.S. Federal Reserve’s early May meeting showed a strong likelihood that the world’s most powerful central bank will approve two more half-percentage-point rate hikes in coming months. All participants at the Federal Reserve’s May 3-4 policy meeting backed a half-percentage-point rate increase to combat inflation, which is at 40-year highs in the United States. They agreed inflation had become a key threat to the economy’s performance and was at risk of racing higher without action by the U.S….