Shares of Apple stock have continued to drop for the past two weeks, ahead of Tuesday's "Let's Rock" iPod event. New Macs on the horizon may lift the stock in the months ahead however. Barron's reports that analysts are warning that the Sept. 9 event may be 'underwhelming', with a new iPod Nano and slightly redesigned iPod touch at a lower price-point. New Macs are not expected for the Sept. 9 eve
