People queue for the grand opening of the first Apple store in Berlin May 3, 2013. Apple Inc has recently attracted more than $50 billion in orders for its six-part debt sale expected to price later on Tuesday, according to two market sources. Apple is issuing three-year and five-year fixed and floating-rate notes, as well as 10-year and 30-year fixed-rate notes via Deutsche Bank and Goldman Sachs. REUTERS/Pawel Kopczynski (GERMANY - Tags: BUSINESS SCIENCE TECHNOLOGY)