NSC ▼ -1.0% - Norfolk Southern Corporation $NSC UNP - More Than 500 Customers Back Union Pacific-Norfolk Southern Combination as a Catalyst for American Growth Norfolk Southern shares fell 1.0% today despite more than 500 customers backing a potential combination with Union Pacific as beneficial for American growth. While customer support for a merger could be viewed positively, market reaction may reflect uncertainty about regulatory approval odds or investor concerns about the deal's ultimate value to NSC shareholders. 16-SEP-2026 05:11 PM ET