NPK stock price ended at $108.74 on Tuesday, after rising 0.64%
On the latest trading day Dec 23, 2025, the stock price of NPK rose by 0.64%, climbing from $108.00 to $108.74. During the session, the stock saw a volatility of 1.94%, with prices oscillating between a daily low of $107.51 and a high of $109.60. Notably, trading volume dropped by 8.4K shares on the last day despite the price increase, which may signal a potential uptick in risk in the near term. A total of 41.1K shares were traded, equating to a market value of approximately $777.4M.