On November 30th Patently Apple posted a report titled "Rumor of Apple Developing its own Power Management Chip Drops Dialog Semiconductor's Stock price in Frankfurt." The rumor published that day noted that Apple was designing its own main power management chips for use in iPhones as early as in 2018, cutting dependence on Dialog Semiconductor. Shares of the company fell on that news from 37 to 30 Euros.

A Financial Times report today confirms the rumor: "Apple supplier Dialog Semiconductor slumped again on Monday after the Anglo-German group said it recognized its largest customer could move design for one of its chips in-house 'in the next few years.' As noted in the chart below has fallen further to 25.84 Euros (will fluctuate).

Dialog supplies power management chips for Apple's iPhones, iPads and watches which accounts for three-quarters of its revenues last year.

On Monday, Dialog issued a statement confirming that it continues to supply Apple with the power management chips 'across a range of platforms without material change to its ongoing business relationship,' but its chief executive said on a call with investors it would not know the commercial terms of Apple business for 2019 for a few more months, Reuters reported.

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