Amazon/Kindle: Amazon’s kindling

What’s the Kindle worth? Amazon’s handheld electronic reading gadget is selling like hot cakes. It sold out over Christmas. Those available second-hand are going for up to twice the $360 retail price. Assuming the success of the Kindle partly accounts for Amazon’s crazy stock price, there may be a way to assess its value. Consider Amazon’s core business selling books, DVDs and all manner of other goods online. Analysts estimate the company’s sales will grow by 12.5% this year. Rival Wal-Mart wil...