It might sound crazy, but there's a relationship between a country's Olympic performance and its stock market returns.
Even with negative weekly charts, the ETFs for U.S. Treasury bonds, gold and utility stocks continue to outperform stocks year to date.
Weekly momentum readings for the ETFs for the Dow 30, S&P 500, Nasdaq 100 and Russell 2000 remain overbought, but not for Dow transports.
The Labor Day lull could be the calm before the storm. Here are the signs to watch in the week ahead.