The latest closing stock price for NPK as of April 11, 2025 is 5.31.
An investor who bought $1,000 worth of NPK stock at the IPO in 1990 would have $2,641 today, roughly 3 times their original investment - a 3.76% compound annual growth rate over 35 years.
The all-time high NPK stock closing price was 24.06 on April 30, 1998.
The NPK 52-week high stock price is 8.65, which is 62.9% above the current share price.
The NPK 52-week low stock price is 4.76, which is 10.4% below the current share price.
The average NPK stock price for the last 52 weeks is 7.28.
An investor who bought $1,000 worth of NPK stock at the IPO in 1990 would have $2,641 today, roughly 3 times their original investment - a 3.76% compound annual growth rate over 35 years.
The all-time high NPK stock closing price was 24.06 on April 30, 1998.
The NPK 52-week high stock price is 8.65, which is 62.9% above the current share price.
The NPK 52-week low stock price is 4.76, which is 10.4% below the current share price.
The average NPK stock price for the last 52 weeks is 7.28.