Carl Quintanilla, Scott Wapner and Mike Santoli discussed UnitedHealth Group leading the Dow to a new all-time high -- after Warren Buffett's Berkshire Hathaway disclosed a $1.6 billion stake in the health insurer, whose stock remains the Dow's worst performer this year. The anchors also reacted to reports the Trump Administration is in talks with Intel to have the U.S. government acquire a stake in the chipmaker. Also in focus: Applied Materials tumbles on weak guidance, July retail sales rise, what Chicago Fed President Austan Goolsbee told CNBC about tariffs and rate cuts, software stocks slump, Target downgraded, Trump-Putin summit.

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