Fundamental analysis determines that the price of a firm's stock is too low, given its intrinsic value. the information used in the analysis is available to all market participants, yet the price does not seem to react. the stock does not trade on a major exchange. what concept might explain the ability to produce excess returns on this stock?

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?