The average household’s buying power slipped 0.1% over the last year, new data shows. Plus: Fractional homeownership, refined oil, and book sales.

The net result is that the average American household’s buying power has dwindled by 0.1% over the past year.

The average household’s buying power slipped 0.1% over the last year, new data shows. Plus: Fractional homeownership, refined oil, and book sales.