A tiny exchange-traded fund that raised eyebrows last month when it changed its ticker to BTC -- the three-letter shorthand almost everybody in crypto uses for Bitcoin -- is reversing the move. The ClearShares Piton Intermediate Fixed Income ETF will revert to the ticker PIFI from May 11, the fund’s issuer said in a brief filing with the U.S. Securities and Exchange Commission on Thursday. No explanation was given for the move. The fund’s initial change to BTC in April stirred speculation ClearShares was moving to secure the ticker for an eventual Bitcoin ETF, as multiple firms race to get SEC approval for the first ... (full story)