By Nell Mackenzie LONDON (Reuters) -Hedge funds bought banks, insurance and consumer finance companies last week at the fastest pace in three months, Goldman Sachs said in a research note, amid increased dealmaking expected to boost profits and an expected further loosening of regulations. An index of European banks has risen over 40% so far this year, while U.S. banks have advanced just over 20%. The funds picked no regional favourite, but North America and Europe took the bulk of long positions, bet ...