美国5月NAHB房产市场指数录得34，为2023年11月以来新低。

Group 1 - The core point of the article is that the NAHB housing market index in the U.S. recorded a value of 34, marking the lowest level since November 2023 [1] Group 2 - The decline in the NAHB index indicates a significant downturn in the housing market sentiment among builders [1] - This low index value suggests potential challenges for the housing sector, reflecting decreased confidence in market conditions [1] - The index's performance may impact future housing starts and overall economic growth related to the real estate industry [1]