Treasuries were poised to close out a third straight quarter of gains Tuesday as a pending US government shutdown threatens to slow economic growth, boosting the case to buy bonds. Bonds were broadly steady on Tuesday, capping off a quarter in which the market has posted a 1.5% return, according to a Bloomberg index. Treasuries have returned more than 5% through the first three quarters of 2025, setting them up for the best year since 2020. Most Read from Bloomberg Officials face a midnight deadline to ...