Check Surges 184% on $360M Volume Surge Ranks 306th in U.S. Trading Activity

On September 15, 2025, , . .

The dramatic volume spike suggests heightened short-term institutional or retail investor interest, though no publicly disclosed catalysts were identified in available materials. Typically, such volume expansions correlate with earnings surprises, , or activity, though further data is required to confirm specific triggers.

For backtesting purposes, implementing a strategy to purchase the top 500 U.S. stocks by daily trading volume requires defining parameters including market universe (NYSE/NASDAQ/AMEX), portfolio weighting methodology (equal-weight vs. volume-weighted), benchmark comparison (e.g., S&P 500), and transaction cost assumptions (e.g., 2 basis points per trade). Clarification on these elements is essential before executing the backtest to ensure statistical validity.