It seemed odd that Jobs would disclose Apple's 4th quarter gross revenue ($5.7 billion) at MacWorld, days ahead of the formal earnings annoucement. Wall Street liked the numbers and AAPL broke $80 on that same day (between T and W, Tues and Wed) as this graph shows:
http://money.cnn.com/quote/quote.html?pg=qu&sid=609&symb=AAPL&time=10dy&uf=0
http://money.cnn.com/quote/quote.html?pg=qu&sid=609&symb=AAPL&time=10dy&uf=0