On a volume of more than 45 million trades, today Apple's stock price (AAPL) has closed to a four years high at $61.35 (up 11.2%). During the trading session, the stock price has even reached $64.00.

Apple's stock value has been influenced by some analysts' good news. Analysts are very optimist about iPod sales and believe that Apple will be able to increase revenues on its core business as well in the coming quarters. Piper Jaffray analyst Gene Munster raised his price target for AAPL to $100 a share from $52 while Fulcrum Global has set his price target to $65.

First after-hours trading data shows that Apple's shares are now changing hands at 61.47 (up 0.20%).