For the first time since the pre-iPhone era, Apple may be shrinking.
Not since 2003, the year the third generation of the iPod was released along with the iTunes music store, has Apple reported a year-over-year decline in quarterly revenue. That's 51 consecutive quarters of growth.
Yet a sudden slump in iPhone sales, which account for about two-thirds of the business, is expected to push fiscal second-quarter revenue down a whopping 10 percent when the Cupertino, California-based company reports results on Tuesday.
Analysts on average expect a decline in revenue to $52 billion from $58 billion a year earlier, according to Thomson Reuters. Earnings per share likely slumped to $1.99 from $2.33.