The first trading vehicle to track the price of bitcoin is just two months old and growing pains are evident.

Rob Curran at The Wall Street Journal reports that the $43 million Bitcoin Investment Trust (GBTC), which launched on over-the-counter trading venue OTCQX in May, so far has had an inauspicious debut: "tracking of bitcoin’s price has been inconsistent, and there is a wide spread between the share price and the value of the underlying assets. Oh, and by the end of last month the share price had fallen 28% from its...