The Dow Jones Industrial Average experienced notable volatility this week, briefly gaining roughly 0.5% following President Trump's announcement of a new '10% global tariff' to replace previously invalidated duties. However, the index concluded the week down 0.54% on Thursday, reflecting the market’s uncertain response to these developments. Mixed performances characterized broader market trends, with the Dow hitting highs of 0.63% earlier in the week, while the Nasdaq 100 Index closed down 0.13%, further highlighting investor volatility.