Factset reports:
Apple is currently expected to be the largest positive contributor to year-over-earnings growth for the Information Technology sector for Q1 2015 and the second largest positive contributor (after Bank of America) to year-over-year earnings for the entire S&P 500. The blended (combines actual results for companies that have reported and estimated results for companies yet to report) for the Information Technology sector is 0.7%. Excluding Apple, the blended earnings growth rate for the sector would fall to -5.1%. The blended earnings decline for the entire S&P 500 is -2.8%. Excluding Apple, the blended earnings decline for the S&P 500 would increase to -3.9%.