Task: Translation
Input (English): Archipelago and Instinet are innovative e-trading (electronic trading) companies, and formerly were the two largest American rivals to NYSE and NASDAQ, in recent years taking increasingly large portions of their market share.
Output (English): Archipelago and Instinet are innovative e-trading -LRB- electronic trading -RRB- companies , and formerly were the two largest American rivals to NYSE and NASDAQ , in recent years taking increasingly large portions of their market share .