Owens Corning shares jump on Carlisle bid report

Owens Corning shares rallied nearly 9% after a Wall Street Journal report said Carlisle had made unsolicited takeover offers for the company. The article suggests the move briefly reversed earlier losses and lifted OC on speculation of a potential strategic acquisition, while Carlisle shares fell about 5% on the news. Owens Corning has reportedly not engaged substantially on any deal, so the market reaction is driven more by M&A expectations than confirmed transaction progress. The report highlights renewed consolidation interest in construction-products suppliers and signals potential bid premium support for Owens Corning while pressuring Carlisle due to deal risk and possible overpayment concerns.