sony, nokia, rim, apple

margin의 축소가 가장 명확한 탈출 신호.
valuation, yoy는 다음.
향후 2년이 문제가 아니라 벌써 1년 전에 끝났을 가능성이 높다.

AAPL Revenue Quarterly data by YCharts

AAPL Revenue Quarterly YoY Growth data by YCharts

AAPL Gross Profit Margin Quarterly data by YCharts

AAPL Net Income Quarterly data by YCharts

AAPL Profit Margin Quarterly data by YCharts

AAPL Cash from Operations Quarterly data by YCharts

AAPL Free Cash Flow data by YCharts

AAPL Debt to Equity Ratio data by YCharts