The benchmark S&P 500 (SP500) faced a significant selloff on Thursday, driven by concerns over President Trump's tariff policies, which have ignited widespread fear on Wall Street and pushed markets lower.

By midday Thursday, the S&P 500 had dropped 3.7%, hovering around 5,461, and now stands down 6.9% for the year.

As this negative push takes shape, it's worth examining which stocks within the index have emerged as the weakest performers. Highlighted below are the S&P 500’s worst performers on the day. 

No. 10: Seagate Technology Holdings (NASDAQ:STX) -13.8%.

No. 9: Deckers Outdoor Corporation (NYSE:DECK) -14%.

No. 8: APA Corporation (NASDAQ:APA) -14.2%.

No. 7: Williams-Sonoma (NYSE:WSM) -14.7%.

No. 6: Best Buy (NYSE:BBY) -14.7%.

No. 5: Dell Technologies (NYSE:DELL) -14.9%.

No. 4: Zebra Technologies (NASDAQ:ZBRA) -15.2%.

No. 3: Ralph Lauren (NYSE:RL) -15.6%.

No. 2: Garmin (NYSE:GRMN) -15.6%.

No. 1: Microchip Technology (NASDAQ:MCHP) -15.8%.

Stock prices are reflected as of 12:00pm EST. 

Furthermore, listed below are a grouping of S&P 500 focused mutual funds and exchange traded funds for investors to further examine. 

S&P 500 Funds: (MUTF:FXAIX), (MUTF:VFIAX), (MUTF:VFFSX), (MUTF:SWPPX), (NYSEARCA:SPY), (NYSEARCA:VOO), (NYSEARCA:IVV), (NYSEARCA:RSP), (NYSEARCA:SSO), (NYSEARCA:SH), (NYSEARCA:SDS) and (NYSEARCA:SPXU).