If you are looking for portfolio diversification, check out this blog where a single portfolio is divided into separate portfolios using different management models.
1. Portfolio A follows the buy and hold approach or Strategic Asset Allocation Model (SAAM).
2. Portfolio B follows the Dual Momentum Model (DMM).
3. Portfolio C is managed using a Tranche Momentum Model (NYSE:TMM). This model requires a spreadsheet known as the Kipling Tranche REDA HA Version 2.0. This spreadsheet is still in the testing phase and should be released this month or early in April.
4. Portfolio D also uses the TMM, but is oriented toward higher yielding securities.
Click on the link above for more details.
Disclosure: I am/we are long VTI.