Mid-week market update: Further to my last post (see A buy signal setup), the 14-day RSI of the S&P 500 Intermediate Term Breadth Momentum Oscillator (ITBM) flashed a buy signal when it recycled from oversold to neutral. By the book, this is a legitimate buy signal. Under the current circumstances, I have some doubts and I am putting a * next to the buy signal. Here's why.