Real estate securities rebounded sharply in December, leading the broad-based gains for the major asset classes in the final month of 2023, based on a set of ETFs. Commodities, by contrast, were the downside outlier, for December and for the calendar year that just ended.Vanguard US Real Estate Index Fund () surged 9.4% in December, topping the long list of gainers for last month. The rise follows an even stronger advance in November for the asset class.International property stocks ex-US were the second-best performer last month. Vanguard Global ex-U.S. Real Estate Index Fund () rallied 8.2%.US stocks () and bonds () also rose in December, as did cash (). The only loser last month for the major asset classes: commodities (), which fell 3.0%, the third straight monthly decline.Widespread gains marked results for 2023, except for commodities (GSG), which lost 5.5% for the year. Last year’s top winner: US stocks (VTI), which surged 26.1%, the strongest performance by far in 2023 for the major asset classes.The Global Market Index (GMI) also enjoyed a strong year via a 19.2% surge in 2023. The gain marks a strong recovery after GMI is an unmanaged benchmark (maintained by CapitalSpectator.com) that holds all the major asset classes (except cash) in market-value weights via ETFs and represents a competitive benchmark for multi-asset-class portfolios.GMI’s performance over the past year continues to benefit from the strong trend in US stocks (VTI). By comparison, the US bond market (BND), although rebounding from recent weakness, continues to trail by a wide margin over the past 12 months.More By This Author:Best Of Book Bits 2023 – December 31, 2023US Q4 GDP Nowcast Holds At Modest Growth EstimateIs The Bond Market Set To Roar In 2024?