https://www.cnbc.com/2017/09/22/gene-munster-brace-for-a-rocky-day-as-apples-iphone-8-goes-on-sale.html

Loup Ventures' Gene Munster told CNBC on Friday that Apple investors should brace themselves for a "rocky day" as the tech giant's iPhone 8 and iPhone 8 Plus hit store shelves.

Shares of Apple are more than 4 percent lower this week after some speculated that demand for the new iPhone 8 was weak. Apple also faced lackluster reviews for the phone.