Most local garden centers have NPK fertilizer on the shelves, but what exactly is it? NPK is an acronym for the nutrients nitrogen (N), phosphorus (P), and potassium (K), the three nutrients that play ...

An update from National Presto ( ($NPK) ) is now available. On December 29, 2025, National Presto Industries announced that its Defense segment ...

It is extremely important for hydroponic growers to have a thorough understanding of plant nutrition. While working with a soil-less system, it is not sufficient to just supplement the plants by ...

National Presto Industries, Inc. provides housewares and small appliance, defense, and safety products in North America. The company’s Housewares/Small Appliance segment designs, markets, and ...

Shares of National Presto Industries, Inc. NPK have declined 8.2% since the company reported its earnings for the quarter ended March 30, 2025. This compares to the S&P 500 index’s 0.3% decline over ...

A drilling rig in an oil field, the sun setting over the horizon. On August 5, 2025, NPK International Inc. (NYSE:NPKI) reported its Q2 2025 results. A 34% increase in rental revenues to a record ...

NPK is trading near the top of its 52-week range and above its 200-day simple moving average. Price change The price of NPK shares has increased $1.02 since the market last closed. This is a 0.94% ...