In September, there was the energy sector and then there was everything else.
The S&P 500 sector rang up a stellar outperformance versus the 10 other sectors that make up the broad-market benchmark.
The energy sector surged 9.3% in September, representing the best monthly return since a 21.5% gain in February, FactSet data shows, but what was also notable were the gains for the sector compared against everything else.
The next best sector in September was financials, down roughly 2%, meaning the energy sector outperformed the second-best sector in September by over 11 percentage points (see attached chart).
The folks at Dow Jones Market Data say that it is the first time that the energy sector was the only sector up in a month since June 2008.
The rally in September, of course, was aided by a surge in crude-oil prices
West Texas Intermediate crude the U.S. benchmark, gained 9.5% on the month and climbed of 2.1% on the quarter, marking a sixth consecutive quarterly gain.
Here’s a look at the gains for the energy sector, compared against other sectors of the S&P 500 in September.