PDD Hits 89th in Trading Volume with $2.27B Surge as Shares Fall 2.62% Amid Structural Headwinds
On September 19, 2025, , , . Despite the surge in liquidity, , reflecting mixed investor sentiment amid evolving market dynamics.
Recent developments highlight structural challenges in PDD’s core business. , raising concerns about platform sustainability. Analysts noted that while the company continues to expand its logistics network, . Additionally, , .
The back-test framework requires precise parameters to ensure methodological consistency. Key considerations include defining the trading universe—whether broad U.S. equities or S&P 500 constituents—and specifying execution timing for position entry (close of day t vs. open of day t+1). Exit strategies must align with a 1-day holding period, with options to sell at the next open or close. Weighting schemes (equal-weight vs. volume/market-cap weighted) and portfolio aggregation methods for multi-ticker strategies also require explicit definitions to generate actionable insights.

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