The relationship between price movements and trading volume is often considered to gain insights into the strength or weakness of a trend. Here are some general observations when price and volume are showing signs of weakness in a strong downtrend:

Market Indecision and testing: a strong downtrend and decrease in volume during the pull back might indicate that market participants are becoming indecisive. This could lead to a short period of consolidation before the testing of the lower price.
Chart PatternsTechnical IndicatorsTrend Analysis

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