FIS Slips to 412th in Trading Activity Amid Volatility and Thin Catalysts

Fidelity National Information Services (FIS) fell 0.53% on Sept. 25, with a trading volume of $0.27 billion, ranking 412th in market activity that day. The decline came amid mixed investor sentiment toward financial services firms as broader market volatility persisted in the final week of September.

Analysts noted limited catalysts for the stock’s movement, with no major earnings releases or regulatory updates reported for FIS in the prior 48 hours. The firm’s underperformance aligned with broader sector trends, as risk-off trading pressured extended-duration financial assets. Institutional selling pressure appeared muted, with no significant block trades or fund rebalancing events recorded in real-time data.

Strategic positioning remains a key focus for market participants, with technical indicators showing the stock testing key support levels near its 50-day moving average. Short-term traders are closely monitoring volume patterns, which have remained below average for the past three trading sessions. The absence of material news flow has left the stock vulnerable to macroeconomic re-pricing risks ahead of the upcoming Federal Reserve meeting.

To run this back-test accurately I need to know two additional details: 1. Stock universe – should I use: • All U.S. listed common stocks, • Only S&P 500 constituents, • Another specified list (please provide tickers or a file)? 2. Trade execution convention – when we “buy the top-500 by volume” on day t, do we: • Buy at that day’s close and exit at the next day’s close (1-day holding period), or • Buy at the next day’s open and exit at that same day’s close? Let me know, and I’ll set up the strategy back-test right away.