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The support is provided by the 86.4 percent Fibonacci retracement of the uptrend from the Aug. 31 low of $3.86-3/4 to the Oct. 14 high of $4.28-1/4. The bounce could be broken down into three smaller waves, and such a structure indicates the downtrend from $4.28-1/4 remains steady.
The retracement analysis also reveals an immediate support at $3.96-1/2. Resistance is at $4.02-1/2, a break above which may lead to a gain to $4.07-1/2.