Futures for natural gas retreaded from a four-week high in the U.S. morning hours, as investors focused on upcoming natural gas supplies report by the U.S. government. On the NYMEX, July delivery futures were traded at USD2.546 a MMBtu, gaining 0.15% in U.S. morning trading session. Earlier, natural gas rallied 4.2% and was traded at USD2.676 per MMBtu.