Investor appetite for insurance risk continues to outstrip demand, prompting an increase in catastrophe bonds among other insurance-linked securities, according to industry analysts. Late last week, Fitch Ratings assigned a BB rating to a $200 million catastrophe bond that will provide re-insurance protection to Hannover Ruck for exposure to earthquakes in California. The deal will push U.S.-related issuance of catastrophe bonds to $3.86 billion in 2015, according to Artemis, a firm that tracks issuance of the bonds. A record volume of catastrophe bonds was issued...