Madison Investments, an investment advisor, released its second-quarter 2026 investor letter for the "Madison Large Cap Fund". A copy of the letter can be downloaded here. In the second quarter, U.S. stock market indices achieved their best performance since 2020, driven largely by a narrow group of Artificial Intelligence-related stocks. As in the pandemic's early days, investors are fixated on who will benefit from AI, reminiscent of the late 1990s internet bubble. Against this backdrop, The Madison Large ...