Microsoft Outlook outage stretches into a second day, causing widespread disruption
Published . Updated .
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The outage could result in a $100 million to $400 million negative impact to Microsoft if the company offers credits and other compensation to customers, one analyst said.
Directly affected
- MSFT Microsoft+1.1% 30d
Named in this report.
Indirectly affected
- XLK Technology Select Sector SPDR+2.4% 7d
Technology Select Sector SPDR holds the technology sector that Microsoft belongs to, so it often moves with news about it.
- PLTR Palantir Technologies-9.2% 30d
Palantir Technologies is a peer of Microsoft in prepackaged software; rivals often move on the same news.
- ORCL Oracle-7.9% 30d
Oracle is a peer of Microsoft in prepackaged software; rivals often move on the same news.
- CRWD CrowdStrike Holdings-10.6% 7d
CrowdStrike Holdings is a peer of Microsoft in prepackaged software; rivals often move on the same news.
- SHOP Shopify-3.0% 30d
Shopify is a peer of Microsoft in prepackaged software; rivals often move on the same news.
- CRM Salesforce-7.3% 30d
Salesforce is a peer of Microsoft in prepackaged software; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| MSFT | +1.45% | +1.95% | base | +0.44% | after close | after close | after close |
| XLK | -5.15% | -2.75% | base | -2.95% | after close | after close | after close |
| PLTR | -6.51% | -1.52% | base | -3.00% | after close | after close | after close |
| ORCL | -8.69% | -7.20% | base | -3.85% | after close | after close | after close |
| CRWD | -5.65% | -1.84% | base | -3.37% | after close | after close | after close |
| SHOP | +1.44% | -0.13% | base | +0.76% | after close | after close | after close |
| CRM | -1.81% | -1.88% | base | -0.57% | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
The outage could result in a $100 million to $400 million negative impact to Microsoft if the company offers credits and other compensation to customers, one analyst said.
Source: MarketWatch
This story
| Company | When | Move | Status |
|---|---|---|---|
| CRM | that day | -0.57% | still updating |
| CRM | three days earlier | -1.88% | final price |
| CRM | five days earlier | -1.81% | final price |
| CRWD | that day | -3.37% | still updating |
| CRWD | three days earlier | -1.84% | final price |
| CRWD | five days earlier | -5.65% | final price |
| MSFT | that day | +0.44% | still updating |
| MSFT | three days earlier | +1.95% | final price |
| MSFT | five days earlier | +1.45% | final price |
| ORCL | that day | -3.85% | still updating |
| ORCL | three days earlier | -7.20% | final price |
| ORCL | five days earlier | -8.69% | final price |
| PLTR | that day | -3.00% | still updating |
| PLTR | three days earlier | -1.52% | final price |
| PLTR | five days earlier | -6.51% | final price |
| SHOP | that day | +0.76% | still updating |
| SHOP | three days earlier | -0.13% | final price |
| SHOP | five days earlier | +1.44% | final price |
| XLK | that day | -2.95% | still updating |
| XLK | three days earlier | -2.75% | final price |
| XLK | five days earlier | -5.15% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Rohit Khanna sold Microsoft (MSFT) (held by a dependent child), worth $1,001 - $15,000 on 28 Oct 2026. That is 16 days before publication. Filed 5 Nov 2026. View the filing.
- Sen. Shelley M Capito sold Microsoft (MSFT) (held by a spouse), worth $1,001 - $15,000 on 21 Oct 2026. That is 23 days before publication. Filed 4 Nov 2026. View the filing.
- Sen. Sheldon Whitehouse sold Microsoft (MSFT) (held by a spouse), worth $1,001 - $15,000 on 15 Oct 2026. That is 29 days before publication. Filed 2 Nov 2026. View the filing.
- Donald J Trump, an executive branch official, bought Palantir Technologies (PLTR), worth $1,001 - $15,000 on 24 Aug 2026. That is 81 days before publication. Filed 8 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Palantir Technologies (PLTR), worth $50,001 - $100,000 on 17 Aug 2026. That is 88 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Rohit Khanna sold Oracle (ORCL) (held by a dependent child), worth $15,001 - $50,000 on 13 Oct 2026. That is 31 days before publication. Filed 5 Nov 2026. View the filing.
- Rep. Rohit Khanna sold Oracle (ORCL) (held by a spouse), worth $1,001 - $15,000 on 30 Sep 2026. That is 44 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Rohit Khanna sold Oracle (ORCL) (held by a dependent child), worth $1,001 - $15,000 on 30 Sep 2026. That is 44 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, sold CrowdStrike Holdings (CRWD), worth $100,001 - $250,000 on 21 Aug 2026. That is 84 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Salesforce (CRM) (held by a dependent child), worth $1,001 - $15,000 on 13 Oct 2026. That is 31 days before publication. Filed 5 Nov 2026. View the filing.
- Rep. Maria Elvira Salazar sold Salesforce (CRM), worth $1,001 - $15,000 on 24 Sep 2026. That is 50 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Salesforce (CRM), worth $15,001 - $50,000 on 17 Aug 2026. That is 88 days before publication. Filed 8 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
This story
12 out of 100Price not final
“Microsoft Outlook outage stretches into a second day, causing widespread disruption” scores 12 out of 100. The score uses 1 sources. The price is not final yet.