Group 1 - The article discusses the preferred shares of DiamondRock Hospitality (NYSE: DRH.PR.A) and highlights a significant drawdown during market turmoil earlier in the year [1] - Binary Tree Analytics (BTA) aims to provide transparency and analytics in capital markets, focusing on closed-end funds (CEFs), exchange-traded funds (ETFs), and special situations to achieve high annualized returns with low volatility [1] Group 2 - The article does not provide any specific financial metrics or performance data related to DiamondRock Hospitality or its preferred shares [2][3]