The new "supergiant" offshore field revealed a day earlier by Italy's Eni SpA and billed as the "largest-ever" found in the Mediterranean Sea could alleviate the Arab world's most populous nation's need for gas imports, they said. The latest discovery represents about half of Egypt's current gas needs, and will cut its trade deficit and help bring in tax revenue when it comes online in some five years, said Angus Blair of investment advisory firm Signet. "It's a very useful positive economic factor in Egypt," he said. "Obviously it will help President (Abdel-Fattah) el-Sissi and the government, but to look...