Please Note: Blog posts are not selected, edited or screened by Seeking Alpha editors.

S&P 500 - Trend Support Alert

|Includes: SPDR S&P 500 Trust ETF (SPY)
It was a second consecutive negative week for the S&P 500 index (^GSPC). During the week, the S&P 500 dropped 54.18 points, or 5.03%, and closed at 1022.58 on Friday, July 02, 2010. It was the worst weekly loss since May 7, 2010. ^GSPC was trading at average weekly trading volume. Read More ...

A medium-term downtrend had started on April 26, 2010 at 1219.80 and reached 1010.91 on July 1, 2010. S&P 500 lost 208.89 points, or 17.12%, in 66 days. The trend is forming a falling channel chart pattern and has five waves structure.

The fourth wave up has reached 1131.23 on June 21st. In our previous publication on Sunday, June 20 we wrote:

"Daily Williams' Percentage Range and Lane's Stochastic are strongly overbought for both S&P 500 and Dow Jones Industrial Average. More than 60 S&P members have the Downtrend Resistance Alert. A medium - term downtrend may resume soon."

A fifth down wave started on June 21st at 1131.23 and reached 1010.91 on Thursday, July 1st. S&P 500 lost 120.31 points, or 10.64%, in 20 days. The trend line support is now near 985.
S&P 500 - short-term trend
Technical Stock Market Timing System

Daily Williams' Percentage Range is oversold, while weekly Williams' Percentage Range and daily Lane's Stochastic are strongly oversold for all three major US indices: S&P 500, Dow Jones Industrial Average and NASDAQ. More than 28% of S&P members are oversold, and more than 22% have a Trend Support Alert. The fifth wave down is near completion. A short-term trend reversal may start soon.