U.S. stocks pull back as holiday trading fizzles
Quant Rockets Performance Highlights
Top Gainers Today
Impinj, Inc. (PI): +3.21%
Nextpower Inc. (NXT): +0.08%
Largest Decliners Today
AppLovin Corporation (APP): -2.87%
AST SpaceMobile, Inc. (ASTS): -2.75%
Astera Labs, Inc. (ALAB): -2.62%
Today’s session was a clear example of this dynamic for the Quant Rockets portfolio. The system, which identifies stocks based on strong price and volume characteristics, saw most of its holdings follow the market lower. Tech and semiconductor-related names felt the pressure, with AppLovin falling 2.87%, Astera Labs giving back 2.62%, and Micron Technology declining 2.47%. This kind of correlated pullback is a normal part of a rules-based momentum approach; when the prevailing trend for the day is negative, stocks that have been leading the charge are often susceptible to profit-taking.
Still, the model’s focus on identifying unique technical strength surfaced a notable exception. Impinj (PI) bucked the widespread weakness, climbing 3.21% on the day.
This is precisely what the system is designed to do: scan for stocks exhibiting momentum powerful enough to potentially defy a weak market tape. While the broader portfolio felt the day’s selling pressure, PI’s performance highlights how a data-driven process can pinpoint individual names where capital flows remain positive, providing a valuable signal even when the overall market is quiet.
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The U.S. market closed out 2025 on a softer note, with stocks pulling back amid thin holiday volume. While the year was strong overall, this final session saw a broad-based dip as investors took some profits and looked ahead to the new year’s earnings season. In this type of environment, where conviction is low and sellers have the edge, momentum-focused strategies can face headwinds.