Mr. Cooper Group Shares Surge on Regulatory Shifts and Restructuring Amid $300M Volume Ranking 380th

On September 11, 2025, Mr. , ranking 380th in market activity. . Key drivers included a Federal Reserve announcement on mortgage servicing rules and internal restructuring plans announced by the company.

Analysts noted that the Federal Reserve's proposed adjustments to servicing standards could reshape capital allocation strategies for mortgage servicers. , balancing short-term efficiency gains against potential operational risks.

Market participants observed mixed trading patterns as the stock's volume spike outpaced broader market trends. The company's position in the top 500 by dollar volume underscores its relative liquidity in a sector facing structural changes. Position turnover dynamics in the 500-name benchmark portfolio suggest potential short-term volatility as daily rebalancing mechanisms take effect.

To run this back-test robustly, several parameters require confirmation: 1) Universe scope (U.S. listed common stocks on NYSE/NASDAQ excluding ETFs, ADRs, and penny stocks). 2) Rebalancing rules (daily ranking by dollar volume, equal-weighted top 500 names, 1-day holding period with full turnover). 3) Timeframe (January 3, 2022, to September 11, 2025). 4) Transaction cost assumptions (commission/slippage treatment). Confirmation of these details will enable execution of the back-test as specified.