Alec Hogg: Never a bad time for portfolio rebalancing

While shaving on Sunday morning, a Janis Ian song was looping in my brain. So after a quick "Siri, play Fly Too High" instruction to my watch, the 1979 classic began playing on my phone. Something quite normal in an Apple World. A convenience Cupertino fans take for granted. The ecosystem which the late Steve Jobs spoke of more than a decade ago is now an everyday reality. Whether or not you're a citizen of Apple World, the piece below by the WSJ's tech queen Joanna Stern explains its genius – and some downsides.

• Another excellent article in The Wall Street Journal explains why rebalancing your portfolio is always a good idea – especially for retirees. Click here.

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