S&P 500 Remains Weak Amid Tariff Uncertainty and Earnings Growth Concerns The S&P 500 and Nasdaq-100 declined by 1.49% and 2.31% respectively last week. Key market movers included: $NVIDIA(NVDA)$ (-8.5%), $Microsoft(MSFT)$ (-5.3%), $UnitedHealth(UNH)$ (-24.3%), $Amazon.com(AMZN)$ (-6.6%), $Meta Platforms, Inc.(META)$ (-6%), $Eli Lilly(LLY)$ (+14.7%), $Netflix(NFLX)$ (+6%), Costco (+3.2%), and $Palantir Technologies Inc.(PLTR)$ (+5.9%). Notable ea