(Bloomberg) -- Managers who went all out on the best hedge fund bet of 2023 are starting to recalibrate their portfolios, amid signs that the so-called catastrophe bonds underpinning the strategy are headed for a rough patch.Most Read from BloombergOne of the Most Infamous Trades on Wall Street Is Roaring BackStock Traders Bracing for Worst Shrug Off Hot CPI: Markets WrapUS Core Inflation Tops Forecasts Again, Reinforcing Fed CautionChina Has Never Canceled This Many Shipments of US WheatNY Says