I've been to a seminar by Mark Cook. This is America and everyone has a right to an opinion. One thing I came away with from the seminar is that the cumulative tick (unless he's changed it) is a largely subjective indicator, as many of his indicators are.
Like I said, this is America and you...
A good correction is due, but doubtful to be on the scale of 2000. In 2000 the S&P was trading at over 30 times earnings and nearly two times sales. Today it's 1.2 times sales (a 40% discount) and roughly 17 times earnings. A drop of nearly 20% would put the S&P back into real "value" territory...