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Archive
- 11/21/2025 -
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Corning Inc. (GLW) Technical Analysis
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| Summary:
| | Weekly :  | | Daily :
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| | It was the negative week for the Corning Inc. (GLW). During the week, the GLW dropped -2.60 points, or -3.17%, and closed at 79.46 on Friday, November 21, 2025. Weekly volume was 18% above average.
 Long-term trend: [See GLW long-term trend chart]
A long-term uptrend had started on November 21, 2008 at 7.36 and reached 92.57 on October 31, 2025. GLW gained -85.21 points, or -1157.74%, in 884 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (27.72) is broken. Usually a broken resistance is considered to be a long-term bullish signal, although a short-term pull back is possible. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with broken trend resistance line in a long-term trend.
Medium-term trend: [See GLW medium-term trend chart]
A medium-term uptrend had started on October 24, 2023 at 25.26 and reached 92.57 on October 31, 2025. GLW gained -67.31 points, or -266.47%, in 105 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (42.76) is broken. Usually a broken resistance is considered to be a long-term bullish signal, although a short-term pull back is possible. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with broken trend resistance line in a medium-term trend.
 Weekly Technical Indicators: [See GLW weekly technical indicators chart]
Weekly technical indicators are neutral. During the last week, weekly Lane's Stochastic signal line (%D) has moved below overbought area. Such crossover is considered a bearish signal. Oscillators are designed to signal a possible trend reversal. They can act as alerts and should be taken in conjunction with other technical analysis tools. Oscillators can be used to confirm other technical signals. Use the following link to access Lane's Stochastic help.
The weekly MACD line is above its signal line since May 23, 2025. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is low and getting smaller. It indicates that the current medium-term uptrend is getting weak. Use the following link to access a MACD help.
 Short-term trend: [See GLW short-term trend chart]
A short-term downtrend had started on November 12, 2025 at 90.62 and reached 77.39 on November 21, 2025. GLW lost 13.23 points, or 14.60%, in 9 days. The price is now at the 15.65% retracement level.
 Daily Technical Indicators: [See GLW daily technical indicators chart]
Daily Lane's Stochastic is oversold while Williams' Percentage Range is strongly oversold. Use the Technical Stock Screener to see the list of stocks with oversold daily Lane's Stochastic or strongly oversold daily Williams' Percentage Range. Use the following link to access Williams' Percentage Range help.
The daily MACD line is below its signal line since October 9, 2025. This is an indication that the short-term trend is down. The distance between MACD and the signal line is near its high and getting bigger. It indicates that the current short-term downtrend is strong.
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| Daily Oscillators |
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| Weekly Oscillators |
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| Trading
Signals |
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| Sector and
Industry |
| Description |
Name |
Rank |
| Sector |
Information Technology |
5 |
| Industry |
Electronic Components |
106 |
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| Daily Trend |
| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| High |
90.62 |
| High Date |
11/12/2025 |
| Low |
77.39 |
| Low Date |
11/21/2025 |
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| Weekly Trend |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| Status |
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| Resistance |
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| Support |
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| High |
92.57 |
| High Date |
10/31/2025 |
| Low |
77.39 |
| Low Date |
11/21/2025 |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Broadening Ascending Wedge |
| Status |
Broken Support |
| Resistance |
98.11 |
| Support |
81.52 |
| Low |
37.31 |
| Low Date |
04/07/2025 |
| High |
92.57 |
| High Date |
10/31/2025 |
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| Quarterly Trend |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Broadening Ascending Wedge |
| Status |
Broken Resistance |
| Resistance |
73.71 |
| Support |
42.76 |
| Low |
25.26 |
| Low Date |
10/24/2023 |
| High |
92.57 |
| High Date |
10/31/2025 |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Broadening Ascending Wedge |
| Status |
Broken Resistance |
| Resistance |
62.09 |
| Support |
27.72 |
| Low |
7.36 |
| Low Date |
11/21/2008 |
| High |
92.57 |
| High Date |
10/31/2025 |
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