The Greedy Trader Weekly Analysis
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Electronic Components Industry Stocks Technical Analysis - GLW

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- 8/22/2025 -
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Corning Inc. (GLW) Technical Analysis

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Summary:
Weekly :Broken uptrend resistance line - uptrend exhaustionRelative Strength Index is overboughtWilliams' Percentage Range and Lane's Stochastic are strongly overboughtTrend resistance at 68.25
Daily :Williams' Percentage Range is overboughtDaily  MACD line has moved below its signal line
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It was a first positive week for the Corning Inc. (GLW). During the week, the GLW climbed 0.33 points, or 0.50%, and closed at 65.77 on Friday, August 22, 2025. Weekly volume was -16% below 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 66.50 on August 7, 2025. GLW gained -59.14 points, or -803.53%, in 871 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (27.41) is broken, while daily and weekly technical indicators are overbought. Uptrend is exhausted and trend reversal is possible soon. 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 66.50 on August 7, 2025. GLW gained -41.24 points, or -163.26%, in 93 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The price is near the trend resistance line (68.25). The resistance is usually stronger when technical indicators are overbought. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with price testing the trend resistance line in a medium-term trend.

Weekly Technical Indicators: [See GLW weekly technical indicators chart]
Weekly Relative Strength Index is overbought while Williams' Percentage Range and Lane's Stochastic are strongly overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Relative Strength Index or strongly overbought weekly Williams' Percentage Range and Lane's Stochastic. 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 links to access Lane's Stochastic, Relative Strength Index and Williams' Percentage Range 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 near its high, but getting smaller. It indicates that the current medium-term uptrend is still strong, and momentum is beginning to wane. 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 August 7, 2025 at 66.50 and reached 63.37 on August 20, 2025. GLW lost 3.13 points, or 4.71%, in 13 days. The price is now at the 76.68% retracement level.

Daily Technical Indicators: [See GLW daily technical indicators chart]
Daily Williams' Percentage Range is overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Williams' Percentage Range.

During the last week, daily MACD line has moved below its signal line. Such crossover is considered a bearish signal.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 65.92
Williams' Percentage Range (W%R) 11.00
Overbought
Lane's Stochastic (%D-Slow) 52.43
Greed/Fear Indicator (GFI) 69.10
Moving Average Converg./Diverg. (MACD) 2.85
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 87.64
Overbought
Williams' Percentage Range (W%R) 4.40
Strong Overbought
Lane's Stochastic (%D-Slow) 93.13
Strong Overbought
Greed/Fear Indicator (GFI) 87.18
Overbought
Moving Average Converg./Diverg. (MACD) 2.54
Trading Signals
Description Value Chart
Quarterly Trendline Resistance 68.25
Upper Bollinger Band 67.64
Price 65.77
Weekly Stochastic Crossing 65.46
Daily Stochastic Crossing 64.75
20 Day Moving Average 63.97
Parabolic System 63.31
Yearly Trendline Resistance 61.21
Lower Bollinger Band 58.35
50 Day Moving Average 57.08
Sector and Industry
Description Name Rank
Sector Information Technology 6
Industry Electronic Components 123
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 63.37
Low Date 08/20/2025
High 66.15
High Date 08/22/2025
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 66.50
High Date 08/07/2025
Low 63.37
Low Date 08/20/2025
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 37.31
Low Date 04/07/2025
High 66.50
High Date 08/07/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Test Resistance
Resistance 68.25
Support 40.69
Low 25.26
Low Date 10/24/2023
High 66.50
High Date 08/07/2025
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 61.21
Support 27.41
Low 7.36
Low Date 11/21/2008
High 66.50
High Date 08/07/2025
Warning: TheGreedyTrader.com presents weekly analysis. Technical indicators and trend parameters are calculated for the close of business day indicated on the top right corner of the screen.