A new report by Art Market Research proves that luxury handbags are the best-performing investment class. The luxury handbag category is currently out-performing classic cars, rare whisky, and even art in terms of investment value. The report also found that women are the main drivers of this category. Visit Business Insider’s homepage for more stories. Anyone who’s bought a Birkin will tell you that it’s an investment. But, up until now, there’s been little hard data to back up that claim. Fortunately for bag lovers, a new report from Art Market Research (AMR) proves that the very thing designed to hold your money can actually