The specialty grocer Trader Joe's says next year it will end its policy of offering health benefits for part-time workers. Instead, the store will offer part-timers cash to help buy coverage. Bloomberg via Getty Images hide caption

itoggle caption Bloomberg via Getty Images

People get information on California's health exchange at a table at Union Station in Los Angeles on Tuesday, the exchange's opening day. Reed Saxon/AP hide caption

itoggle caption Reed Saxon/AP