Not with the stock price in btc. Conversions are another game. Do you convert your shares of Petrobras priced in usd to Brazilian Real constantly, although most of their sales are in Reis?
when ken receives a US dollar for selling hardware, what do you think he does with it next if he wants to pay the shareholders?
Hasn't Ken increased the prices of the miners recently according the the price jumps in BTC? For example, you can't expect a miner that costs $500 that nets you 1 BTC ($1000) to stay at $500 if BTC goes up to $2000.