The move comes just a few weeks after Amazon completed its $13.7 billion acquisition of Whole Foods and promptly slashed prices.
A hurricane pummeled the southern U.S. region to begin the week, President Donald Trump targeted tax reform, and retail earnings rounded out the reporting season.
The S&P 500 ended its fifth straight day in the green, while the Nasdaq managed to close at a new record.
Stocks are positive day on the final day of August. But the August jobs report is just around the corner.