The stock market is expected to see double-digit gains in 2025, with the S&P 500 index up 16.81% YTD as of Dec. 5. However, some stocks have suffered significant declines, including well-known names like Fiserv, worst performer in the S&P 500 due to revenue forecast cuts and slowing growth.

Ad-tech company The Trade Desk is struggling with decreased revenues and competition, leading to a drop in stock value. Deckers Outdoor, known for UGG and Hoka footwear, is facing slowing growth and market pressure. Gartner, a research firm, is feeling cyclical pressure from reduced spending during economic uncertainty.

Lululemon, once a leader in athleisure, is seeing falling sales and revenue despite its strong brand name. Molina Healthcare is experiencing decreased profit forecasts due to higher costs, impacting its stock value. Alexandria Real Estate Equities is suffering from lowered earnings guidance and a dividend cut, causing a significant stock decline.

Chipotle Mexican Grill’s stock has plummeted due to rising costs and consumer spending pullback. FactSet is down in 2025 due to industry concerns and missed earnings projections. Charter Communications has been on a long-term downtrend, losing subscribers and facing increased competition.

Read more at Yahoo Finance: 10 Worst-Performing Stocks of 2025