The only sure way to drive a closed-end fund closer to its net asset value is to attract a raider who tries to force management changes or a liquidation.
American Express earns revenues from card licensing fees, royalties on billings, charge volume, net spread revenue and cards in force, foreign exchange conversion revenue and also a share of the discount revenue earned by the operator.
On the other hand, wireless networks are given more flexibility as they are in a nascent stage and have their own technical issues and it might not be apt to forcenet neutrality regulations to them as well.