Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook
Published . Updated .
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Amdocs (NASDAQ:DOX) shares plunged 39. 4% to $37.
Directly affected
- DOX Amdocs-3.5% 10d
Named in this report.
Indirectly affected
- XLC Communication Services Select Sector SPDR-1.2% 14d
Communication Services Select Sector SPDR: it holds telecom companies. Linked by “t-mobile” (telecoms) in this story.
- TMUS T-Mobile US-6.8% 30d
T-Mobile US (radiotelephone communications): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story.
- T At&T-15.5% 30d
At&T (telephone communications (no radiotelephone)): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story.
- VZ Verizon Communications-9.1% 30d
Verizon Communications (telephone communications (no radiotelephone)): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story.
- SPOT Spotify Technology S.A+9.7% 30d
Spotify Technology S.A (radio broadcasting stations): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| DOX | -0.50% | +0.57% | base | -25.94% | after close | after close | after close |
| XLC | +1.70% | -1.53% | base | +3.81% | after close | after close | after close |
| TMUS | -4.09% | +1.39% | base | +4.31% | after close | after close | after close |
| T | -3.15% | +0.16% | base | +2.73% | after close | after close | after close |
| VZ | -4.51% | -1.09% | base | +2.35% | after close | after close | after close |
| SPOT | -10.29% | -1.02% | base | +5.10% | 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.
Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook Yahoo Finance
Source: Yahoo Finance
Select Sector Spdr Tr (XLC) since this story, compared with the market
| Company | When | Move | Status |
|---|---|---|---|
| DOX | that day | -25.94% | still updating |
| DOX | three days earlier | +0.57% | final price |
| DOX | five days earlier | -0.50% | final price |
| Spotify Technology S.A (SPOT) | that day | +5.10% | still updating |
| Spotify Technology S.A (SPOT) | three days earlier | -1.02% | final price |
| Spotify Technology S.A (SPOT) | five days earlier | -10.29% | final price |
| At&T (T) | that day | +2.73% | still updating |
| At&T (T) | three days earlier | +0.16% | final price |
| At&T (T) | five days earlier | -3.15% | final price |
| T-Mobile US (TMUS) | that day | +4.31% | still updating |
| T-Mobile US (TMUS) | three days earlier | +1.39% | final price |
| T-Mobile US (TMUS) | five days earlier | -4.09% | final price |
| Verizon Communications (VZ) | that day | +2.35% | still updating |
| Verizon Communications (VZ) | three days earlier | -1.09% | final price |
| Verizon Communications (VZ) | five days earlier | -4.51% | final price |
| Select Sector Spdr Tr (XLC) | that day | +3.81% | still updating |
| Select Sector Spdr Tr (XLC) | three days earlier | -1.53% | final price |
| Select Sector Spdr Tr (XLC) | five days earlier | +1.70% | final price |
Trades by members of Congress and officials in the stocks in this story
- Donald J Trump, an executive branch official, bought T-Mobile US (TMUS), worth $15,001 - $50,000 on 28 Aug 2026. That is 68 days before publication. Filed 8 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, sold T-Mobile US (TMUS), worth $500,001 - $1,000,000 on 21 Aug 2026. That is 75 days before publication. Filed 8 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, sold T-Mobile US (TMUS), worth $1,001 - $15,000 on 10 Aug 2026. That is 86 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. David J. Taylor bought At&T (T), worth $1,001 - $15,000 on 15 Oct 2026. That is 20 days before publication. Filed 29 Oct 2026. View the filing.
- Rep. David J. Taylor bought At&T (T), worth $1,001 - $15,000 on 9 Oct 2026. That is 26 days before publication. Filed 15 Oct 2026. View the filing.
- Rep. Rohit Khanna bought At&T (T) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 61 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Pete Sessions sold Verizon Communications (VZ) (held by a spouse), worth $15,001 - $50,000 on 2 Oct 2026. That is 33 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Verizon Communications (VZ) (held by a spouse), worth $15,001 - $50,000 on 25 Sep 2026. That is 40 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Gilbert Cisneros bought Verizon Communications (VZ), worth $1,001 - $15,000 on 18 Sep 2026. That is 47 days before publication. Filed 12 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).
Who gains and who loses around Select Sector Spdr Tr (XLC)
Companies tied to this story
- XLC Select Sector Spdr Tr
Select Sector Spdr Tr (XLC) is linked, with no stored direction, medium confidence in the 4 Nov 2026 story “Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook.” Reason on file: Communication Services Select Sector SPDR: it holds telecom companies. Linked by “t-mobile” (telecoms) in this story
- TMUS T-Mobile US
T-Mobile US (TMUS) is linked, with no stored direction, medium confidence in the 4 Nov 2026 story “Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook.” Reason on file: T-Mobile US (radiotelephone communications): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story
- T At&T
For “Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook,” At&T (T) is linked, with no stored direction, medium confidence. Reason on file: At&T (telephone communications (no radiotelephone)): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story
- VZ Verizon Communications
In “Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook,” Verizon Communications (VZ) is linked, with no stored direction, medium confidence. Reason on file: Verizon Communications (telephone communications (no radiotelephone)): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story
- SPOT Spotify Technology S.A
For “Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook,” Spotify Technology S.A (SPOT) is linked, with no stored direction, medium confidence. Reason on file: Spotify Technology S.A (radio broadcasting stations): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story
Select Sector Spdr Tr (XLC)
“Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook” (4 Nov 2026) reaches Select Sector Spdr Tr (XLC) through this story.
For Select Sector Spdr Tr (XLC), the reason on file says Communication Services Select Sector SPDR: it holds telecom companies. Linked by “t-mobile” (telecoms) in this story
Also listed, T-Mobile US (TMUS): T-Mobile US (radiotelephone communications): telecoms move with network spending and rules. Linked by “t-mobile” (telecoms) in this story
The price range for Select Sector Spdr Tr (XLC), and the dates in the story
T traded between 20.52 and 24.96 across 20 sessions. The latest close on file is 21.40. TMUS traded between 143.75 and 171.76 across 20 sessions. The latest close on file is 154.33. XLC traded between 109.66 and 115.60 across 11 sessions. The latest close on file is 111.62.
A simple score for Select Sector Spdr Tr (XLC)
40 out of 100Price not final
“Amdocs Shares Plunge 39.4% as T-Mobile Dispute Triggers Sharp Cut to Fiscal 2027 Outlook” scores 40 out of 100. The score uses 1 sources, and 5 linked companies. The price is not final yet.