MDU Resources Group is a diversified natural resources company that operates in various sectors, including construction materials, utilities, and energy. They provide a wide range of products and services, including construction materials, natural gas distribution, electric and natural gas utilities, and exploration and production of oil and natural gas. With a focus on sustainable growth and customer satisfaction, MDU Resources Group aims to meet the evolving needs of their customers while maintaining a strong commitment to environmental stewardship.

In terms of technical analysis, the stock of MDU Resources Group has recently broken out of a long-term basing pattern. This breakout indicates a significant shift in market sentiment and suggests that the stock has the potential for further upside movement. The bias for the stock is higher, indicating a bullish outlook. 

Traders and investors may view this breakout as a positive signal and consider it as a potential buying opportunity. Monitoring the stock's price action and volume can provide insights into the strength of the breakout and potential future price movements.