BEFORE THE OPEN · October 23, 2026
October 23, 2026 premarket: tower stocks rise as Deckers and wireless carriers fall
Crown Castle, SBA and American Tower lead the saved premarket gainers; Deckers and wireless carriers fall. Review timestamped prices, fresh earnings context and the limits of a partial early snapshot.
| Stock | Premarket move | Price | Quote time · ET |
|---|---|---|---|
| Crown Castle Inc. (CCI) | +9.10% | $86.00 | |
| SBA Communications Corporation (SBAC) | +6.50% | $189.98 | |
| American Tower Corporation (AMT) | +6.18% | $192.79 | |
| Lumentum Holdings Inc. (LITE) | +3.39% | $778.08 | |
| CBOE GLOBAL MARKETS INC (CBOE) | +2.33% | $335.35 | |
| Deckers Outdoor Corporation (DECK) | -7.56% | $78.83 | |
| T-Mobile US, Inc. (TMUS) | -4.81% | $151.15 | |
| AT&T Inc. (T) | -4.79% | $21.65 | |
| Western Digital Corporation (WDC) | -4.04% | $339.87 | |
| Verizon Communications Inc. (VZ) | -3.83% | $43.47 |
1) How to read the October 23 premarket snapshot
The batch was collected on October 23, 2026 at 7:31 AM Eastern and covers 269 quoted stocks in the saved S&P 500 universe. Each percentage compares the saved premarket price with the previous completed regular close on October 22. Quotes were observed at different times, listed below, and do not represent executable opening prices. Coverage is partial: unquoted stocks must not be counted as unchanged. The accompanying heatmap shows the broader saved universe with missing observations unavailable. Premarket liquidity, spreads and order imbalances can materially change the ranking before 9:30 AM Eastern.
2) Crown Castle: results context behind the tower-stock leader
CCI was $86.00, up 9.10%, at 7:27:03 AM Eastern on October 23. Crown Castle released third-quarter results on October 21, rather than overnight on October 22. AFFO per share was $1.24, up 11% year over year. Its full-year outlook increased adjusted EBITDA by $25 million and AFFO by $5 million at the midpoints. Lease cancellations remain a risk. Those results provide dated business context; they do not establish the cause of this morning’s price jump.
3) SBA Communications and American Tower: shared strength, separate reporting calendars
SBAC was $189.98, up 6.50%, at 7:21:32 AM Eastern; AMT was $192.79, up 6.18%, at 7:21:12 AM Eastern on October 23. Both operate communications infrastructure, making Crown Castle a relevant operating peer. American Tower has scheduled its next earnings release and call for October 27; SBA lists its third-quarter results event for November 2 at 5:00 PM Eastern. Neither future event is a current earnings release. A verified company announcement establishing the immediate cause of either premarket move was not found. The parallel gains indicate a cluster in price action, without proving a shared reason.
4) Lumentum and Cboe: gains ahead of scheduled earnings
LITE was $778.08, up 3.39%, at 7:26:23 AM Eastern on October 23. Lumentum supplies optical and photonic products; its fiscal first-quarter 2027 results are scheduled for November 5 after the close. CBOE was $335.35, up 2.33%, at 7:27:38 AM Eastern. The exchange operator plans third-quarter results before the open on October 30, with a call at 8:30 AM Eastern. These calendars provide the next checkpoints, not explanations for the observed gains. A specific fresh catalyst for either move was not verified.
5) Deckers: separate underlying demand from tariff refunds
DECK was $78.8312, down 7.56%, at 7:29:58 AM Eastern on October 23. The October 22 fiscal second-quarter release reported revenue of $1.481 billion, up 3.5%, and diluted EPS of $2.31, including a $0.28 tariff-refund benefit. Direct-to-consumer comparable sales declined 6.4%. Its full-year sales outlook is $5.700–$5.725 billion; EPS guidance is $7.80–$7.95, including approximately $0.52 of tariff-refund benefits. For a consumer-brand business, the distinction between recurring demand and refund benefits matters. These figures are reported results and management guidance; no unverified analyst-consensus comparison is implied.
6) Wireless carriers: observed selling across three competitors
TMUS was $151.15, down 4.81%, at 7:25:13 AM Eastern; T was $21.65, down 4.79%, at 7:25:22 AM Eastern; VZ was $43.47, down 3.83%, at 7:25:10 AM Eastern on October 23. T-Mobile plans to release results at approximately 4:05 PM Eastern on October 28 and discuss them at 4:30 PM. Verizon has scheduled its third-quarter call for October 26 at 8:30 AM Eastern. AT&T already reported on October 21 and updated its outlook to adjusted EPS in the $2.40 range for 2026. The simultaneous declines are verified observations, but a common cause is not established by these issuer materials. Customer growth, pricing, investment needs and competition are relevant business risks to monitor.
7) Western Digital: a negative quote after a strong reported quarter
WDC was $339.87, down 4.04%, at 7:25:25 AM Eastern on October 23. Its October 22 fiscal first-quarter 2027 release reported revenue of $4.381 billion, GAAP diluted EPS of $4.63 and non-GAAP diluted EPS of $4.64. For fiscal second quarter, management issued revenue guidance of $5.0–$5.2 billion and non-GAAP EPS of $5.60–$6.00. The company also raised its quarterly dividend to $0.175. Results and guidance describe the storage business; they do not by themselves prove why investors sold the shares in this particular window. Avoid labeling the decline a revenue or EPS miss without a matching dated consensus.
8) What to check at the regular open
Recheck prices and trading volume after the October 23 open at 9:30 AM Eastern before interpreting early rankings as durable trends. Tower strength and wireless weakness deserve separate scrutiny; their opposite directions do not establish a transfer of value or a causal relationship. The second visual presents the saved week’s earnings and events calendar, which can be revised. The opening trade may differ materially from these timestamped observations. Use the company research and earnings tools to examine financial performance, valuation and upcoming disclosures; this briefing makes no promise about the next price move.