The January effect, initially observed in small-cap stocks, has diminished over time, likely due to randomness rather than a true market anomaly. From 1979 to 2024, November and December have been the ...

Wall Street was off to a volatile start in 2025, following a steep sell-off in the final weeks of 2024. Notably, the small-cap Russell 2000 Index fell 8.4% in December, marking its worst month since ...