Complex sentence: Its principal activity involves global online financial services and it is one of North America's largest online brokerages with 6.3 million clients and $300 billion in client assets.Waterhouse served as the company's president from its establishment until 1995.
Split into simpler sentences: Its principal activity involves global online financial services and it is one of North America's largest online brokerages with 6.3 million clients and $300 billion in client assets. Mr. Waterhouse served as the company's president from its establishment until 1995.