Tesla, Palantir, and MicroStrategy Rank Among Top 12 Large-Cap Underperformers Last Week (Feb 24-Feb 28)

Last week, the stock market saw significant movement with several large-cap stocks experiencing significant declines. Among the top performers in terms of losses were Super Micro Computer, Inc. (SMCI), which saw a decline of 26.06% following its recent quarterly report filing with the SEC. AppLovin Corporation (APP) also experienced a significant drop of 21.57% after multiple short reports on the stock were released. Additionally, Maplebear Inc.’s stock (CART) dipped 21.53% after reporting lower-than-expected fourth-quarter revenue, leading analysts to revise their price forecasts.

NetApp, Inc. (NTAP) saw a decline of 19.81% after reporting disappointing third-quarter sales results and issuing below-estimate guidance for the fourth quarter and FY25 adjusted EPS. Pure Storage (PSTG) also faced a decrease of 19.36% after issuing FY26 revenue guidance that fell short of estimates, prompting analysts to revise their price forecasts. Similarly, Duolingo (DUOL) experienced a drop of 19.02% following mixed fourth-quarter results and subsequent revised price forecasts by analysts.

Viatris Inc. (VTRS) shares decreased by 17.96% due to the company’s fourth-quarter EPS and sales falling below estimates, along with a weaker-than-expected FY25 revenue and EPS guidance. The stock’s price forecast was subsequently lowered by B of A Securities analyst Jason Gerberry. Sempra Energy (SRE) saw a decline of 17.83% after reporting fourth-quarter results that led to a cut in outlook, prompting several analysts to adjust their price forecasts accordingly.

Palantir Technologies Inc. (PLTR) shares tumbled by 16.21% amid uncertainties surrounding continued weakness following a recent report suggesting potential budget cuts by the Trump administration. Trip.com Group Limited (TCOM) also experienced a decline of 15.43% after reporting its fourth-quarter financial results. MicroStrategy Incorporated (MSTR) faced a 14.77% decrease following a decline in Bitcoin’s value.

Tesla Inc. (TSLA) was the sole member of the “magnificent seven” stocks to experience a notable decline of 13.27% last week. This drop was attributed to a decrease in new car registrations in the European Union in January. Overall, these twelve large-cap stocks were the worst performers in the stock market last week, prompting investors to evaluate their portfolios and consider potential adjustments based on these recent developments.