Edison International's Grid Modernization Sparks 119% Volume Surge, Shares Rank 253rd in U.S. Trading

On September 10, 2025, , . This surge followed a strategic focus on grid modernization projects announced earlier in the week, which analysts noted could enhance operational efficiency and align with regulatory incentives in California. The company’s recent partnership with a leading energy tech firm to deploy advanced metering infrastructure further underscored its commitment to infrastructure upgrades, potentially boosting long-term profitability.

Market participants observed that Edison’s volume spike coincided with broader investor interest in utilities stocks driven by rising inflation hedging strategies. The company’s updated 2025-2027 capital expenditure plan, , was highlighted as a catalyst for sustained investor confidence. While short-term volatility remains tied to interest rate expectations, .

To evaluate the strategy’s historical viability, a back-test was conducted using the following parameters: a universe of U.S. common stocks ranked by prior-day volume, daily rebalancing of the top 500 names, and a one-day holding period from open to close. The test spanned January 3, 2022, to September 10, 2025, with total-return price adjustments for corporate actions. Implementation details included zero transaction costs and no slippage assumptions. Performance metrics, including cumulative returns and annualized statistics, will be calculated upon data collection completion.