Philoptics +24.22% Leads Glass Substrate Theme, Why is the 5-Day Gain +9.39%?
픽스톡AI 요약
The theme to watch before the open is glass substrate.
The theme strength over the past 5 trading days is +9.39%, ranking 2nd out of 100 themes.
The key question is whether Philoptics (161580) leadership spreads to laggards after the open.
This note is not a buy signal, it is a checklist at 08:40 to narrow themes and it should be reconfirmed with intraday news and flows.
Today pre-open theme: Glass Substrate
5-day theme average change: +9.39%, 2nd of 100 themes
Recent leading mover: Philoptics (161580) +24.22%
Why watch glass substrate before the open
This theme groups companies making glass core substrates for semiconductor packaging, related equipment, and substrate manufacturers, organized by supply chain stage.
Check where each company sits in the glass substrate supply chain with supporting facts.
08:40 is a useful pre-order time to narrow interest themes.
This note is not a buy signal, it is a checklist for which intraday news and flows to check first.
Intraday points to check today
Maintain prior-day strength: verify whether glass substrate names remain stronger than the theme average after the open.
Leader vs laggards gap: check whether only the leader rallies or gains spread to 2nd and 3rd tier names.
News and volume confirmation: movements with volume are more meaningful than simple gap ups.
Related stocks to watch
| Stock | Market | Prior session change | Check point |
|---|---|---|---|
| IBM (IBM) | NYSE | +3.96% | IBM has publicly researched using glass substrates for next-generation semiconductor packaging/chiplet technologies. It connects to advanced packaging for high performance computing and glass substrate te... |
| Intel (INTC) | NASDAQ | +2.61% | Intel has been a leading company pushing for glass substrate adoption in next-generation semiconductor packaging, with glass substrate usage on its packaging roadmap... |
| Corning (GLW) | NYSE | +2.01% | Corning is a leading US-listed maker of specialty and precision glass substrates, directly linked to high-performance glass substrate and glass material businesses for semiconductors. In addition to display gla... |
| Applied Materials (AMAT) | NASDAQ | +0.55% | Applied Materials supplies core equipment for semiconductor manufacturing and advanced packaging, sitting at the center of the process equipment ecosystem needed for next-generation packaging processes including glass substrates... |
| Intekplus (064290) | KOSDAQ | -0.10% | A supplier of inspection equipment for semiconductor packaging and display processes, connected to precision inspection and measurement equipment needed in glass substrate processes. If glass substrate mass production expands... |
| DuPont (DD) | NYSE | -0.26% | DuPont supplies films, adhesives, and dielectric materials for semiconductor packaging, linking to demand for ancillary materials as glass substrate based packaging expands... |
Risks
If the glass substrate theme already rallied sharply, maintaining volume during pullbacks is more important than chasing the opening price.
Early session theme strength can change quickly, so check index direction, FX, and US futures together.
Confirm whether recently lagging names over the past 5 trading days (DuPont (DD) -3.16%) recover intraday.
More to explore
- View glass substrate names and leaders
- Market-wide flow today: PickStock Insight
- Expand the theme yourself: Mindmap
Published: 2026-09-14 08:40 KST. Data source: PickStock theme DB, Yahoo Finance price cache. Auto-generated after outlier removal, for information only and not investment advice.
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