Welcome to this week’s ETF Insider. Franklin Templeton’s custom indexing buy makes a half-dozen deals for personalized portfolio technologies in the past year. We break down why managers want in on the custom index boom. Also, advisors’ love of models can get costly when taken too far, and investors are shunning some of BlackRock’s biggest bond ETFs while they lap up rivals' products.

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Jackie Noblett, producer of ETF Insider at Financial Advisor IQ