Vallourec shares tumble after ArcelorMittal sells 10% stake in tube maker

Vallourec shares plummeted in trading after ArcelorMittal sold a 10% stake in the tube maker, raising $667 million. The sale marks a significant reduction in ArcelorMittal's ownership in Vallourec. The move sent shockwaves through the market, with Vallourec's stock price experiencing a sharp decline.