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posted by takyon on Tuesday July 04 2017, @10:36AM   Printer-friendly
from the 1-2-3-4-can-I-have-a-little-more? dept.

Submitted via IRC for Bytram

No, Amazon and Apple stock did not crash Monday. And if you held Mattel stock, you're not suddenly rich.

But incorrect stock data on the popular Google Finance, Yahoo Finance and Bloomberg sites appeared to be freaking out some investors Monday evening, after test data was apparently misinterpreted by third-party providers to those sites.

As of 11 p.m. Eastern, Google Finance said Amazon.com Inc. shares were down more than 87%, to $123.47. Previously, Yahoo Finance said Amazon was down 74%, to $248.49. In reality, Amazon finished the day down 1.5%, at $953.66, and was up 0.1% in after-hours trading, according to FactSet.

Apple Inc. shares were similarly skewed, with both Google and Yahoo Finance saying they were down 14%, also to $123.47. Actually, Apple ended the day down just 0.4%, at $143.50, according to FactSet, and was up slightly in after-hours trading.

$123.47 — or amounts close to that — appeared to be the common denominator for the test data, wildly skewing some stocks down to that level while others skyrocketed up to it. For example, the test data sent eBay Inc. soaring 253%, Mattel Inc. skyrocketing 473% and Microsoft Corp. up 79%.

Taking stock of those who take stock of stocks.

Source: http://www.marketwatch.com/story/finance-sites-erroneously-show-amazon-apple-other-stocks-crashing-2017-07-03


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  • (Score: 3, Funny) by ledow on Tuesday July 04 2017, @11:24AM (2 children)

    by ledow (5567) on Tuesday July 04 2017, @11:24AM (#534764) Homepage

    But, surely, anyone who cares or does this professionally wouldn't be using a search engine to check their stocks, right? Especially not if they're basing investment etc. decisions on such data.

    One day a typo is going to wipe out the world.

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  • (Score: 0) by Anonymous Coward on Tuesday July 04 2017, @01:28PM

    by Anonymous Coward on Tuesday July 04 2017, @01:28PM (#534789)

    At the nuclear missile command:
    Intended message: "Lunch!"
    Sent message: "Launch!"
    Oops.

  • (Score: 4, Informative) by PiMuNu on Tuesday July 04 2017, @01:51PM

    by PiMuNu (3823) on Tuesday July 04 2017, @01:51PM (#534793)

    It seems to be originating with NYSE, which many might consider to be authoritative:

    https://www.theregister.co.uk/2017/07/04/in_afterhours_trade_on_monday_nyse_deployed_test_code_to_production/ [theregister.co.uk]