Complex sentence: In 2014, Heritage's total sales exceeded $969 million, a record for any collectibles firm, and the company had a 62% share of 2014's $532 million rare coin auction market.
Split into simpler sentences: In 2014, Heritage's total sales exceeded $969 million, a single year record for any collectibles firm. The company had a 62% share of 2014's $532 million rare coin auction market.