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- 6/5/2026 -
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Corning Inc. (GLW) Technical Analysis

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Summary:
Weekly :Overbought sectorWilliams' Percentage Range is overboughtBroken trend resistance lineBroken trend resistance line
Daily :The price has risen above the Parabolic SAR
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It was the negative week for the Corning Inc. (GLW). During the week, the GLW dropped -3.58 points, or -1.98%, and closed at 177.58 on Friday, June 5, 2026. Weekly volume was 59% above average.

GLW is a member of Information Technology Sector. Information Technology is the most overbought sector. Sector/industry rotation is considered a proven strategy to beat the market. Use the following links to find overbought/oversold technical indicators by Sector or by Industry.

Long-term trend: [See GLW long-term trend chart]
A long-term uptrend had started on November 21, 2008 at 7.36 and reached 211.79 on May 13, 2026. GLW gained -204.43 points, or -2777.58%, in 911 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (28.37) 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 211.79 on May 13, 2026. GLW gained -186.53 points, or -738.44%, in 133 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (49.20) 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 Williams' Percentage Range is overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Williams' Percentage Range. 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 Williams' Percentage Range help.

The weekly MACD line is above its signal line since January 23, 2026. This is an indication that the medium-term trend is up. Use the following link to access a MACD help.

Short-term trend: [See GLW short-term trend chart]
A short-term uptrend had started on November 21, 2025 at 77.39 and reached 211.79 on May 13, 2026. GLW gained -134.40 points, or -173.67%, in 173 days. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 170.96 and resistance is at 232.70. A Broadening Ascending Wedge pattern is considered to be a reversal formation. It usually appears in a mature trend, characterized by overbought/oversold long-term and short-term indicators, and often generates divergence on long-term indicators. Use the following link to access a Broadening Ascending Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Broadening Ascending Wedge pattern in a short-term trend.

Daily Technical Indicators: [See GLW daily technical indicators chart]
Daily technical indicators are neutral.

The daily MACD line is below its signal line since May 18, 2026.

During the last week, the price has risen above the Parabolic SAR (stop and reversal). A Parabolic SAR below the price is a bullish signal, and it indicates that momentum is likely to remain in the upward direction. A Parabolic SAR is used as a trailing stop loss for long or short positions. It works best during strong trending periods. Use the following links to access Parabolic SAR Help, or use the Technical Stock Screener to see the list of stocks with the Parabolic SAR close to the price level.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 43.09
Williams' Percentage Range (W%R) 53.40
Lane's Stochastic (%D-Slow) 56.30
Greed/Fear Indicator (GFI) 48.67
Moving Average Converg./Diverg. (MACD) 6.18
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 57.89
Williams' Percentage Range (W%R) 18.10
Overbought
Lane's Stochastic (%D-Slow) 76.16
Greed/Fear Indicator (GFI) 71.45
Moving Average Converg./Diverg. (MACD) 22.57
Trading Signals
Description Value Chart
Upper Bollinger Band 206.99
Weekly Stochastic Crossing 197.06
Daily Stochastic Crossing 195.80
20 Day Moving Average 191.23
Price 177.58
50 Day Moving Average 172.52
Parabolic System 171.17
Weekly Trendline Support 170.96
Lower Bollinger Band 165.24
Sector and Industry
Description Name Rank
Sector Information Technology 10
Industry Electronic Components 106
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 211.79
High Date 05/13/2026
Low 169.80
Low Date 05/19/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 232.70
Support 170.96
Low 77.39
Low Date 11/21/2025
High 211.79
High Date 05/13/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 37.31
Low Date 04/07/2025
High 211.79
High Date 05/13/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 85.05
Support 49.20
Low 25.26
Low Date 10/24/2023
High 211.79
High Date 05/13/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Broken Resistance
Resistance 63.91
Support 28.37
Low 7.36
Low Date 11/21/2008
High 211.79
High Date 05/13/2026
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.