Irony of all ironies; on the 1-year anniversary of AAPL replacing XOM as the world's most-expensive market capitalized company, the incessant fall of the formerly invincible has dragged it back below XOM once again. This one-year of glory is disappointing as when MSFT managed to top XOM in 1998, it held on to the top-spot for almost 3 years before relinquishing it back to the company that runs the world's most valuable limited resource.