AGNC Investment (AGNC +2.59%) pays a very lucrative monthly dividend. The real estate investment trust (REIT) yields over 13.5%. That's more than 10 times higher than the S&P 500's 1.1% yield. The mortgage REIT has maintained its monthly dividend since resetting the level in 2020. However, that could be harder to do after the Federal Reserve recently hinted that it might start raising rates instead of lowering them. Here is how this potential headwind could impact its dividend. A potential policy shift The ...