The Greedy Trader Weekly Analysis
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- 8/21/2026 -
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3M Company (MMM) Technical Analysis

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Summary:
Weekly :Relative Strength Index, Williams' Percentage Range and Lane's Stochastic are overboughtStochastic has declined below the signal lineTrend resistance at 180.21
Daily :Stochastic signal line moved below overbought areaThe period of low volatility of the stock price
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It was the negative week for the 3M Company (MMM). During the week, the MMM dropped -3.69 points, or -2.02%, and closed at 178.96 on Friday, August 21, 2026. It was the worst weekly loss since April 24, 2026. Weekly volume was -14% below average.

Long-term trend: [See MMM long-term trend chart]
A long-term uptrend had started on October 23, 2023 at 85.35 and reached 184.90 on July 28, 2026. MMM gained -99.55 points, or -116.64%, in 144 weeks. The price is now at the 5.97% retracement level.

Medium-term trend: [See MMM medium-term trend chart]
A medium-term uptrend had started on March 20, 2026 at 139.34 and reached 184.90 on July 28, 2026. MMM gained -45.56 points, or -32.70%, in 18 weeks. The chart has formed a Rising Channel chart pattern. The price is near the trend resistance line (180.21). 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 MMM weekly technical indicators chart]
Weekly Relative Strength Index, Williams' Percentage Range and Lane's Stochastic are overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Relative Strength Index, Williams' Percentage Range and Lane's Stochastic. During the last week, weekly Lane's Stochastic main line (%K) has declined below the overbought signal line (%D). 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 links to access Lane's Stochastic, Relative Strength Index and Williams' Percentage Range help.

The weekly MACD line is above its signal line since June 5, 2026. 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 MMM short-term trend chart]
A short-term downtrend had started on July 28, 2026 at 184.90 and reached 173.96 on July 30, 2026. MMM lost 10.94 points, or 5.92%, in 2 days. The price is now at the 45.70% retracement level.

Daily Technical Indicators: [See MMM daily technical indicators chart]
Daily technical indicators are neutral. During the last week, daily Lane's Stochastic signal line (%D) has moved below overbought area. Such crossover is considered a bearish signal.

The daily MACD line is below its signal line since August 13, 2026. This is an indication that the short-term trend is down.

The distance between the Bollinger Bands is falling, and it was 5.25% on Friday. It is 50.26% lower than one year average. It indicates the period of low volatility of the stock price. 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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 54.55
Williams' Percentage Range (W%R) 60.40
Lane's Stochastic (%D-Slow) 20.06
Greed/Fear Indicator (GFI) 38.05
Moving Average Converg./Diverg. (MACD) 4.48
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 80.54
Overbought
Williams' Percentage Range (W%R) 15.80
Overbought
Lane's Stochastic (%D-Slow) 85.65
Overbought
Greed/Fear Indicator (GFI) 76.87
Moving Average Converg./Diverg. (MACD) 2.57
Trading Signals
Description Value Chart
Parabolic System 182.68
Upper Bollinger Band 182.66
Weekly Stochastic Crossing 181.03
20 Day Moving Average 180.42
Quarterly Trendline Resistance 180.21
Daily Stochastic Crossing 179.28
Price 178.96
Lower Bollinger Band 173.25
50 Day Moving Average 169.12
Quarterly Trendline Support 163.35
Sector and Industry
Description Name Rank
Sector Industrials 7
Industry Industrial Conglomerates 86
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 184.69
High Date 08/13/2026
Low 177.90
Low Date 08/20/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 184.90
High Date 07/28/2026
Low 173.96
Low Date 07/30/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 153.56
Low Date 07/08/2026
High 184.90
High Date 07/28/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Rising Channel
Status Test Resistance
Resistance 180.21
Support 163.35
Low 139.34
Low Date 03/20/2026
High 184.90
High Date 07/28/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 85.35
Low Date 10/23/2023
High 184.90
High Date 07/28/2026
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.