Nasdaq Breaks Support as Walmart Hits $1T Milestone; AMD Tumbles on Earnings

On a turbulent Tuesday in early 2026, the American market offered a study in contrasts: the Nasdaq slipped beneath a closely watched technical threshold, hinting that the momentum of recent months may be faltering, while Walmart quietly crossed into the trillion-dollar club, a milestone that speaks to the enduring power of businesses rooted in everyday life. Meanwhile, chipmaker AMD's sharp post-earnings decline reminded observers that in uncertain seasons, the market's judgment is swift and unsparing. These diverging fortunes suggest we are entering a period where the broad tide no longer lif