Jefferies downgraded Healthpeak Properties, Inc. (NYSE: DOC) from a Buy to a Hold, reflecting a cautious approach towards the healthcare REIT.Cullen Capital Management LLC reduced its stake in Healthpeak Properties by 5%, indicating a conservative stance, while Brooklyn Investment Group significantly increased its holdings.The stock's volatility is highlighted by its year-to-year performance, with a high of $21.28 and a low of$16.44, amidst a market capitalization of approximately $11.58 billion.Healthpeak ...