DuPont returned to profitability in the third quarter, a turnaround that fueled a rally in its stock price. The company, known for producing specialty materials including Tyvek house wrap, saw its shares climb as it moved past previous headwinds. Similarly, Columbus McKinnon outperformed Wall Street forecasts for its fiscal second quarter. The company, which provides essential infrastructure like mobile cranes and conveyor belts to industrial facilities, saw increased buying interest as its earnings report underscored the current strength of the manufacturing sector.