Walmart's membership in the trillion-dollar club lasted about two days, and it never appeared on a single official snapshot long enough to feel permanent. On November 2, 2026, Walmart rose 3.29% to $127.57 and crossed $1T for the first time, at approx. $1.01T. On November 4 it did it again, up 4.50% to $130.48, worth approx. $1.03-1.04T. By the November 11 close it was worth approx. $997B, according to CompaniesMarketCap, just $3B below the line. It joined the club, and then it left, in the space of nine days.
On a November 4 snapshot, the club had sixteen members, according to the Motley Fool's rankings of that date. That was the largest the club has ever been. By November 11 it was back to fourteen. The two extra members were Walmart and, on some counts that day, a briefly resurgent Micron, which had been worth approx. $1.11T in late October and fell to approx. $918B by November 11. The count itself is a snapshot, not a census: it depends on the day you take it, and in a volatile week the day matters more than usual.
The rest of the bottom of the club is just as close to the edge. Samsung, the fourteenth member, sits at approx. $1.019T, one bad day from dropping out. AMD, which fell out of the club in the autumn, is at approx. $907B after rising 7.3% on November 11, and is now the closest return candidate after Walmart. JPMorgan, at approx. $912B, has still never crossed $1T.
Walmart is a useful case because nothing about the company changed in those nine days. No earnings were reported, no strategy was announced, no stores opened or closed. What changed was the market's mood: a relief rally after the November 3 midterms lifted almost everything on November 4, and the November 5 sell-off took it back. Walmart's next chance to rejoin may come with its third-quarter results, due November 19, 2026, but a single earnings report is not the point. The point is structural: $1T is a round number humans like, not a law of economics, and crossing it means the market currently values a company's future profits above that line. When the valuation sits within a few percent of the line, as Walmart's does, membership becomes a matter of the week's weather.
That is why every figure on this site carries an as-of date. A list of trillion-dollar companies without a date on it is already wrong, and in November 2026 it can be wrong within days. Walmart at approx. $997B is not a failed company. It is a $1T company on a day the market disagreed by $3B.