Lawrence G. McMillan: Stocks are trapped in a trading range. Something’s got to give.

 Lawrence G. McMillan: Stocks are trapped in a trading range. Something’s got to give.

The week after the third Friday of September is historically negative for the S&P 500.

The U.S. stock market, as measured by the S&P 500 Index
SPX,
is trapped in a trading range, and volatility seems to be damping down considerably. The significant edges of the trading range a…