US equity research is split right now: most published views stay constructive on earnings and AI, but a serious minority warns of near-term technical damage, mega-cap overvaluation, and macro headwinds.
The bull case in recent research leans on extraordinary numbers — S&P 500 earnings running roughly 40% above estimates and forward EPS up 32% year-over-year — with several analyst camps arguing the AI investment cycle is still early. One widely-cited bubble framework acknowledges frothy behavior but notes it hasn't hit prior peak extremes, implying room to run.
The bear case is more structural. Some researchers see multi-year valuation re-rating as stagflation pushes P/Es toward early-1980s levels. Others flag opaque off-balance-sheet AI debt at hyperscalers. A street-low year-end S&P target of 7,100 has been published, arguing mega-cap tech is fully priced.
Sub-splits: a contrarian thread likes large-cap value (REITs, utilities, MLPs) for yield-hungry retirees. Broad support exists for small-caps and mid-caps on broadening earnings. On Tesla, published views turned bearish on regulatory and competitive drag.