Shares of Global Self Storage, Inc. (SELF) have gained 1.2% since the company reported its earnings for the quarter ended Sept. 30, 2025, lagging the S&P 500 Index’s 1.9% advance over the same period. Over the past month, the stock has been up 2.1% compared with the broader market’s 3.5% growth.SELF’s Earnings SnapshotIn the third quarter of 2025, Global Self Storage posted modest top-line growth but materially lower earnings versus a year earlier. Total revenues edged up 0.8% to $3.23 million from$3.20 mi ...