Arch Capital Group Ltd.’s (ACGL) shares have rallied 34.8% year to date, outperforming the industry’s growth of 15.9%, the Finance sector’s rise of 4.3% and the Zacks S&P 500 composite’s increase of 9.8%. With a market capitalization of $37.5 billion, the average volume of shares traded in the last three months was 1.8 million.New business opportunities, rate improvement, growth in existing accounts and a solid capital position continue to drive Arch Capital. This Zacks Rank #1 (Strong Buy) insurer has a so ...