W. R. Berkley Corporation WRB formed Berkley Healthcare to serve healthcare providers efficiently. Berkley Healthcare constitutes Berkley Healthcare Professional Underwriters and Berkley Healthcare Financial Lines.Berkley Healthcare Professional Underwriters will offer tailor-made professional liability solutions. While Berkley Healthcare Financial Lines’ portfolio of coverages will include liabilities of directors and officers as well as employment practices liability plus errors and omissions and cyber liability.Concurrently, Gregg A. Piltch has been named president of Berkley Healthcare.It seems a prudent step by the insurer to tap the growing healthcare market, currently representing 18% of U.S. GDP.The company already boasts a compelling suite of professional liability products and services. Coupled with the launch of financial lines, the new unit is well poised for catering to the specialized needs of the healthcare sector.With the inception of soft market cycle in 2006, W. R. Berkley Corporation opened 24 new units (focused on the important parts of U.S. economy including health care, energy and agriculture, and the growing international markets like Scandinavia, Australia, the Asia-Pacific region and South America) to take advantage of the eventual market turn. The company has been establishing new units to consolidate its geographical presence as well as grab market opportunities. With new units consistently thriving and established businesses no longer losing volume, overall growth is visible.Shares of this Zacks Rank #3 (Hold) property and casualty insurer gained 19.4%, better than the industry average of 14.6%. Impressive inorganic and organic growth profile, rate increases, reserving discipline and solid balance sheet should continue to drive shares.Stocks to ConsiderSome better-ranked property and casualty insurers are Arch Capital Group Ltd. ACGL, American Financial Group, Inc. AFG and Berkshire Hathaway Inc. BRK.B, each holding a Zacks Rank #2 (Buy). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Arch Capital provides property, casualty and mortgage insurance and reinsurance products globally. It delivered a 13.46% positive surprise in the earlier reported quarter.American Financial provides property and casualty insurance products in the United States. Last reported quarter, it pulled off an 8.51% earnings surprise.Berkshire Hathaway engages in insurance, freight rail transportation and utility businesses. It came up with a 22.91% beat in the previously reported quarter.The Hottest Tech Mega-Trend of AllLast year, it generated $8 billion in global revenues. By 2020, it's predicted to blast through the roof to $47 billion. Famed investor Mark Cuban says it will produce "the world's first trillionaires," but that should still leave plenty of money for regular investors who make the right trades early. See Zacks' 3 Best Stocks to Play This Trend >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report W.R. Berkley Corporation (WRB): Free Stock Analysis Report Berkshire Hathaway Inc. (BRK.B): Free Stock Analysis Report Arch Capital Group Ltd. (ACGL): Free Stock Analysis Report American Financial Group, Inc. (AFG): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research