The chart is a 3 box reversal Point and Figure chart.
The chart is based on daily high and daily low prices.
The chart is a 2% logrithmic chart, ie each chart box represents
a price change of 2% of the value of the box above or below it.
Four possible support prices and five possible resistance prices
are shown, as well as the support/resistance lines.
A 'resistance' or 'support' point is a price where an issue's upward
or downward price movement may 'stall'. The ultimate result of the 'stall'
may be either a continuation or a reversal of price movement, depending
on whether there are more or less sellers than buyers at the specific price
point.
SUNW is in an overall bullish trading channel. SUNW was trading
overall bearish trading channel. But the uptrend column ('X') has broken
through the overall bearish resistance line and given a buy signal to confirm
the overall trading channel change to bullish. Resistance may be
seen at points R1 through R5. Support may be seen at points S1 through
S4. Support point S1 must hold to preserve the overall bullish trading
channel.