Apple shares leapt as trading began on Wall Street today after it reported yesterday that profits had almost doubled in a single quarter.
US shares slipped back into the red as minutes from the latest Federal Reserve meeting revealed the chances of a third round of monetary easing have waned significantly.
A strong performance from US and Asian stocks has helped push global equity indices to their strongest start to a year since 1998.
European markets have added to early losses as concerns over Chinese growth hit miners and a military coup in Mali sent Rangold Resources shares plummeting.
Wall Street opened lower today, echoing losses seen in European and Asia, as investors took profits from the recent rally.
European indices have opened trading in the red, reversing some of last week's gains, as investors take profits ahead of a crucial week for of UK data.
Shares across Europe rose in morning trading as the eurozone's decision to back a second €130bn (£109bn) bailout boosted hopes for an economic recovery.
The FTSE 100, European indices, and US shares all fell on Monday as investors took profits from recent rallies amid signs of a slowdown in China.
The Dow Jones has closed above the 13,000 mark for the first time since the Lehman Brothers collapse prompted the market crash of 2008.
US markets slid into negative territory shortly after the open, while European indices fell further after a day in the red, ahead of a crucial vote on Greece.