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THE QUANTUM BRIEFING · VOLUME XXXI

What the machines show, and what the markets show

IBM, AMD and Oak Ridge announced a test bed where researchers can measure how a quantum processor and a conventional computer work together. On Wall Street, four quantum stocks fell sharply before IonQ’s scheduled earnings release. This issue looks at the measurements behind each story.

Published · Los Angeles · 2 selected stories
01 / SELECTED REPORTING
Silver IBM Quantum System Two enclosures stand beside the black Umbra computing rack in a laboratory.
IBM quantum hardware beside Oak Ridge's Umbra computing system, identified as the black rack at right in IBM's November 5 announcement. IBM · IBM editorial-use permission

IBM, AMD and Oak Ridge launch a shared test bed for quantum error correction

IBM’s quantum hardware now sits beside Oak Ridge’s Umbra computer. Together they give researchers a place to measure how quickly a conventional computer can interpret signs of trouble in a quantum calculation.

The partners announced the test bed on November 5. A benchmark for the complete system is still ahead.

Joint platform launch announcement ↗
02 / SELECTED REPORTING
Stone figures above gold stock-exchange lettering on the New York Stock Exchange facade.
A detail of the New York Stock Exchange facade, photographed in June 2024. Archival market context; this is not the November 5 trading session. Photograph: Ryan Schwark, CC0. Ryan Schwark · CC0 1.0 public-domain dedication

Quantum stocks drop by double digits ahead of IonQ earnings

At 1:15 p.m. Eastern on November 5, IonQ, Rigetti, D-Wave and Quantum Computing Inc. traded 12.02% to 14.16% below their previous closes. IonQ was scheduled to release its results after the bell.

The six prices span 25 seconds of regular trading. SPY and QQQ provide broad stock-market comparisons.

Six-security intraday market-data snapshot ↗

What new measurement or disclosure would change your understanding of either story?

For the platform, watch for a reproducible complete-workflow benchmark. For the market story, compare the dated price snapshot with the next issuer disclosures.

Compare the recorded evidence →
Further reading

From the headlines to the physics

Choose a research story, see how the science works or try a worked example.

Reader guide

Which edition am I reading?Each dated edition keeps its original story selection. The live preview shows the current picks.Context reviewed

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Sources and what they show (1)