Complex sentence: In 1982, Schwab became the first to offer 24/7 order entry and quote service, its first international office was opened in Hong Kong, and the number of client accounts totaled 374,000.
Split into simpler sentences: In 1982, Schwab became the first firm to offer 24/7 order entry and quote service. It opened its first international office in Hong Kong, and the number of client accounts totaled 374,000.