A large tranche of Bank of NT Butterfield Ltd stock moved on the Bermuda Stock Exchange (BSX) yesterday.A total of 102,966 shares changed hands at 1.40, three cents up on the previous day’s trade. The Bank’s preference shares also saw movement with 47 changing hands at 1200.00. ,Another mover, Keytech Ltd watched 1,000 of its shares change hands at $5.80, down 3.3 percent.The BSX closed 1.03 percent down at 1,147.52 at the close.