"We think Apples pipeline is finally going to satisfy those who have wondered if the company has any new products. The stock price has been rallying as investors are beginning to believe that Tim Cook all along was telling the truth that there is an incredible pipeline of products," said Michael Yoshikami, CEO of Destination Wealth Management.
In the last five years, the period beginning July 1 has been the most fruitful for holders of Apple shares, with an average price gain of about 22.5 percent, compared with 11 percent gains seen in the first half of the last five years.
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Below are some of the key products and features to look out for at Apple's big event on Tuesday:
iWatch?: Rumors of an Apple smartwatch go back several years, but Tuesday may finally be showtime. The watch, which will reportedly have a flexible screen and come in two sizes, will track its wearer's health and fitness, double as an electronic wallet and of course, display messages.
The watch is not likely to go on sale until sometime in 2015 and Apple may not even reveal its price on Tuesday. But with rivals such as Google and Samsung Electronics already entering the smartwatch market, tech-watchers are anxious for Apple to show its cards.
"The market has been waiting for Apples product as the real category-defining product," said FBN Securities analyst Shebly Seyfari.
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iPhone 6: Smartphones are Apple's bread-and-butter, representing more than half of its revenue, and the company is expected to introduce a pair of new models with bigger screens, a sleeker design and wireless payment capabilities. The iPhone 6 will be available with 5.5-inch or 4.7-inch screens, a step up from the current models' 4-inch screens.