Apple stock closed at $91.63 last week, setting a new 52-week high.

Investor optimism surrounds the stock, with the analysts at the Banc of America raising their price forecast on the stock from $84 to $93.

The analysts cited strong notebook sales as cause for the new value. Analyst Keith Bachman expects Apple notebook sales to climb 20 per cent in fiscal 2008, and expects overall sales of $26.9 billion.

Trade on the stock was heavy last Friday, with 18,524,119 shares traded on the day. Apple stock increased in value last week, closing at $86.47 on Monday, $88.60 on Tuesday and $90.31 on Wednesday. Nasdaq was closed on Thursday for the US Thanksgiving festival.

Seventeen analyst firms now assess Apple stock a a Hold, Moderate or Strong Buy. Nine of seventeen assess the stock as a Strong Buy.

Investors are also considering other business-drivers at Apple, including the iPod, Mac OS X 10.5 Leopard, iLife '07, and rumours of a 'true' video iPod and an iPhone as potential catalysts for a profitable coming year.