U.S. Big Tech still too crowded

Stock corrections are often just reality checks that ultimately allow bull markets to live on as investors "buy the dip," but this time around, global asset managers seem wary of jumping back into Wall Street's Big Tech behemoths. Investors' heads may be spinning after a turbulent month of tariff angst, U.S. recession fears, a 10% recoil in the S&P 500 and Europe's fiscal reboot. The scale of the portfolio upheaval was captured on Tuesday by Bank of America's monthly fund manager survey. The closely-watched poll of global asset managers showed the biggest one-month reduction in U.S. equity exposure in the…