If you own mining stocks, please note. This is a possible sell signal. A lower low on Monday would confirm the sell signal. Occurring at a previous level of resistance gives it added weight.
Several bloggers have posted a monthlhy chart of the Dow Jones Industrials displaying the 1987-1990 trend line. I thought it necessary to post a monthly chart of $SPX with the same trendline. Notice that the trend line comes in very close to the 2002 low around 768.