How should I allocate my portfolio

20% VXUS 15% BND 5% Utilities ETF 10% VTV 10% VTI 20% APPL (already sold 80% bought in early 00) 5% AMZN 5% UNH 10% other misc holdings This is my current allocation. I’m considering rotating out of apple to google. Not sure how else to maintain solid balance.