Willis (WTW) Surges 131.48% in Trading Volume Ranks 429th on September 19

On September 19, 2025, , . The stock ranked 429th in terms of trading volume among equities listed that day. , indicating robust short-term liquidity and investor engagement.

Recent market activity for Willis appears driven by strategic positioning in and corporate restructuring services. Analysts noted renewed institutional interest in firms offering hybrid risk solutions, aligning with Willis’s core competencies. The surge in volume suggests potential accumulation by long-term investors or speculative positioning ahead of earnings or sector-specific catalysts.

To run this back-test accurately we’ll need to nail down a few practical details: 1. Stock universe • All U.S. common stocks (≈ 4,000 symbols) – most precise, but heavy to process • Russell 3000 constituents (≈ 3,000 symbols) – lighter, still broad coverage • S&P 500 constituents (500 symbols) – fastest, but less true to “top-500-by-volume” concept Which universe would you like? 2. Entry & exit prices • Buy at the same-day close and sell the next-day close (typical for volume-rank strategies) • Buy at the next-day open and sell at the next-day close If you have a preference, let me know. 3. Position sizing • Equal-weight each of the 500 stocks selected for that day (default) • Value-weight by dollar volume (please specify methodology if different) 4. Trading frictions We can ignore commissions/slippage for a first pass, or include a per-trade cost if you wish. Once I have your choices, I’ll generate the data-retrieval plan and launch the back-test.