All but one of the TSP funds posted gains in September, with the small company stock S fund leading the way, gaining 4.26 percent, followed by the international stock I fund, 2.52, the common stock C fund, 2.06, and the government securities G fund, 0.17, while the bond F fund lost 0.48 percent. The monthly returns for the lifecycle L funds were: Income, 0.6; 2020, 1.02; 2030, 1.6; 2040, 1.87; 2050, 2.14. For year-to-date, last-12-month returns and TSP insight, visit