Brief: Tenaris Announces Second Tranche Of $1.2 Billion Buyback Program
Nov 15 (Reuters) - Tenaris SA TENR.MI: TENARIS - ANNOUNCES SECOND TRANCHE OF USD1.2 BILLION BUYBACK PROGRAM Source text: ID:nBIA94s2k3 Further company coverage: TENR.MI ((Reuters.Briefs@thomsonreuters.com;))