Investing.com - (NASDAQ:Apple) is expected to report fiscal second quarter earnings per share of $2.01 on revenues of $52.6 billion.
The U.S. tech giant is due to report on Tuesday after the market closes.
According to Kantar World Panel data, its market share in the U.S. stood at 42% at the end of February.
That was up from 38.3% a year earlier.
iOS's market share in China for the past three months is estimated at 13.2%.
That is down from 22.2% a year earlier.
The expected launch of the iPhone 8 in the fall is seen as a key event for the company.
The outlook for the new device looks bullish due to ecosystem stickiness.
Customers are likely to want to upgrade to the new device after having used earlier versions of the mobile phone.
CIRP data indicates 45% of iPhones in use are two years old or older.
A recent PiperJaffray survey shows 76% of U.S teens own iPhones.
A further 81% of teens surveyed say their next phone will be an iPhone.
The iPad is now Apple’s smallest market segment after being the second biggest two years ago.
This year could be pivotal for Apple’s computer business as Mac sales stagnated over the last quarter.
There is currently about a 10% potential downside in Apple’s share price to the $130 area.