https://www.reuters.com/article/us-apple-power-chip-dialog-outlook/chipmaker-dialog-plunges-further-on-fears-apple-could-go-it-alone-idUSKBN1DY0Q3 >Shares in Dialog Semiconductor dropped as much as 23 percent on Monday after the company acknowledged for the first time that top customer Apple could develop its own battery-saving chips used in iPhones.