From the iPod to the iPhone and iPad, Apple released one "market-defining" product after another for years, but the technology company has grown so large that it's losing its "first-mover advantage" and its competitors are catching up, Seabreeze Partners founder Doug Kass told CNBC on Tuesday.
The popularity of Amazon's Kindle and Google's Nexus 7 in the lower end of the tablet market seemingly drove Apple to finally release a pocket-sized slate of its own. Apple introduced a smaller version of its iPad called iPad Mini Tuesday. In turn, Apple shares dropped near session lows after the company announced the 16 GB version of the mini will be priced at $329, higher than expectations.
(Read More: Apple Unwraps iPad Mini and New, Full-Sized iPad 4.)