 London Stock Exchange PLC LON:LSE said income dropped by 1.1 in the first three months of 2021 even with the boom in stock markets and fund activity. Presenting numbers on a pro-forma basis to reflect the recent US27bn Refinitiv acquisition, LSE said income to end-March was 1.77bn 2020: 1.79bn while gross profit dipped slightly to 1.54bn. 