Thanks to their slim aim, sector investments are generally a lot more volatile than investments that diversify across numerous sectors and companies. Wherever σ²p signifies portfolio variance, w₁ and w₂ are the weights of assets, σ₁ and σ₂ will be the common deviations, and ρ₁₂ is the correlation coefficient involving https://safe-havenassets63827.ampedpages.com/precious-metals-investment-options-64479432