I've met a few people who claim to be making money after taking his seminar, but I am very skeptical also...

inter-market analysis ? relative strength to the Dow ?

"When Sliter was asked about his trading strategy, he replied that it was a matter of understanding strength and weakness. Asked to elaborate, he said, I scalp to the short side if we are trading weak to the Dow. I scalp to the long side if were trading strong to the Dow. The authors were a bit incredulous that one of the biggest traders in the S&P pit used such a simple strategy.