(Bloomberg) -- Gold wavered as traders assessed the Federal Reserve’s interest-rate path and the status of negotiations to end the war in Iran.Bullion swung between a gain of 0.4% and a loss of 0.7%. Talks aimed at reaching a deal to end the US-Iran war continue, but reports that an agreement is close are inaccurate, according to a diplomat involved in negotiations. The dollar and bond yields pushed lower as oil pared losses following an earlier drop sparked by an unconfirmed report that a breakthrough could come as soon as this week.