Constellation Energy (CEG) Surges 3.30% on $1.09B Volume, Ranks 86th in Market Activity

, 2025, , . The stock’s performance was driven by renewed investor confidence in its renewable energy expansion strategy following a strategic update earlier in the week.

Analysts noted that the company’s recent focus on accelerating clean energy infrastructure projects has positioned it as a key player in the transition to low-carbon power generation. This aligns with broader market trends favoring utilities with diversified energy portfolios, particularly as regulatory pressures and consumer demand for sustainability intensify.

Despite the rally, the stock’s short-term trajectory remains subject to macroeconomic factors, including interest rate expectations and regional electricity demand fluctuations. Market participants are closely monitoring the company’s Q3 earnings report, scheduled for late October, for further operational and financial clarity.

To run this back-test rigorously I still need to pin down a few practical details: 1. Universe definition • Do you want the “top 500 by volume” selected from all U.S. listed common stocks (NYSE + NASDAQ), or from a narrower universe such as the S&P 1500, Russell 3000, etc.? 2. Rebalancing mechanics • Should the portfolio be formed at each day’s close and liquidated at the next day’s close (i.e., close-to-close returns), or do you prefer open-to-close / open-to-open? 3. Transaction considerations • Ignore costs and slippage, or apply a flat commission / bid-ask assumption? 4. Tool capacity • The in-chat back-testing engine provided here is currently single-ticker. To emulate a 500-stock portfolio return, I’ll need to approximate it with a proxy (e.g., an equal-weighted basket built offline and loaded as a synthetic index), or we can focus on a representative sub-set (say the top-N names) if that meets your needs. Let me know your preferences on these four items so I can set the test up correctly (or suggest the best approximation if we stay within the available tools).