4pm: System produced another sell signal and remains in cash.
1:55 update: The buy signal looks to be history, and now I'm on alert for a potential short signal. Will update later.
Some things to watch... Weakness that takes the S&P below 1296 could result in a buy signal. If there is too much weakness, however (say below 1292) no signal will be generated. Anything higher than 1296 and we get a hold signal. I will update near the close.