When iPhones Ring, the Economy Listens - NYTimes.com

Economic impact different

"In a sense, it’s the core of the stock market as well. Apple is the biggest company, by market capitalization, in the world. Apple accounts for about 3.5 percent of the weighting of the Standard & Poor’s 500-stock index. And, through Thursday, because its stock has performed magnificently while the overall market has not, Apple accounted for 18 percent of the entire rise of the S.&P. 500 index this year, according to calculations by Paul Hickey, co-founder of the Bespoke Investment Group. And the engine driving Apple shares is the iPhone."

When iPhones Ring, the Economy Listens - NYTimes.com