The Greedy Trader Weekly Analysis
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- 5/29/2026 -
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Corning Inc. (GLW) Technical Analysis

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Summary:
Weekly :Overbought sectorBroken trend resistance lineBroken trend resistance line
Daily :Bearish Three Black Crows CandlestickThe price has declined below the moving average in the center of the Bollinger Bands
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It was the negative week for the Corning Inc. (GLW). During the week, the GLW dropped -12.89 points, or -6.64%, and closed at 181.16 on Friday, May 29, 2026. Weekly volume was 37% 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 (28.34) 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 (49.03) 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.

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 April 29, 2026 at 148.17 and reached 211.79 on May 13, 2026. GLW gained -63.62 points, or -42.94%, in 14 days. The price is now at the 48.15% retracement level.

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 declined below the moving average in the center of the Bollinger Bands. The Bollinger Bands are often used with a non-oscillator indicator like chart patterns or a trendline. The signals are considered more reliable if these indicators confirm the recommendation of the Bollinger Bands. Use the following links to access the Bollinger Bands Help, or use the Technical Stock Screener to see the list of stocks with the price above the Upper Bollinger Band or below the Lower Bollinger Band.

Candlestick pattern: [See GLW candlestick chart pattern]
On Friday the chart has formed a Bearish Three Black Crows Candlestick pattern. Use the Technical Stock Screener to see the list of stocks that had a Bearish Three Black Crows Candlestick pattern during the last week.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 47.31
Williams' Percentage Range (W%R) 51.20
Lane's Stochastic (%D-Slow) 50.51
Greed/Fear Indicator (GFI) 48.87
Moving Average Converg./Diverg. (MACD) 7.73
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 61.59
Williams' Percentage Range (W%R) 21.70
Lane's Stochastic (%D-Slow) 75.86
Greed/Fear Indicator (GFI) 69.79
Moving Average Converg./Diverg. (MACD) 21.79
Trading Signals
Description Value Chart
Upper Bollinger Band 211.90
Parabolic System 203.54
Monthly Trendline Resistance 200.24
Weekly Stochastic Crossing 194.28
20 Day Moving Average 185.78
Daily Stochastic Crossing 184.47
Price 181.16
50 Day Moving Average 166.99
Monthly Trendline Support 161.90
Lower Bollinger Band 154.94
Sector and Industry
Description Name Rank
Sector Information Technology 10
Industry Electronic Components 111
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 148.17
Low Date 04/29/2026
High 211.79
High Date 05/13/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 77.39
Low Date 11/21/2025
High 211.79
High Date 05/13/2026
Description Value
Direction Up
Chart Pattern Rising Channel
Status Valid
Resistance 200.24
Support 161.90
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 84.62
Support 49.03
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 63.84
Support 28.34
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.