The surge coincided with Japan-based MT Gox, Bitcoin's biggest exchange, announcing a tie-up with US firm CoinLab to bring its operations to the States.
He bought them anyway, just in time to catch a Chinese-driven boom and a slew of acquisitions by foreign steelmakers like India's Mittal Steel (nyse: MT - news - people ).
Baucus (D-MT), Chair of the powerful Senate Finance Committee, released a copy of the letter that he sent to Acting Commissioner Steven Miller and Treasury Secretary Jacob Lew.