Oil prices have swung from over $100 per barrel to under $80 per barrel in a year. Indeed, some portfolios need to be optimally built to cushion such swings and what effects these have on the economy.

Regimes are changing in the market, and this could mean a few things, but today, it means that volatility is back. Whenever these shifts come, specifically to the S&P 500 index, investors tend to ...