For Warhols, Lichtensteins and Jeff Koons' work, the salesmatched the Internet bubble in 1999 when tech houses with no visible earning power sold north of 10 times revenues or even a multiple of paid clicks.
This can then be cross-matched against things like online sales or search advertisements, and actions taken to see what further effect these might have on product sales.
If the company can turn things around, its shares will enjoy substantial upside as the price-to-sales ratio becomes more closely matched with those of its peers.
If you were to use this technique in a sales presentation, and your prospect subconsciously matched your body language, it would be a signal of trust and rapport.