Rates moved lower Tuesday as a decline in stocks pushed mortgage-backed securities higher. Concerns about the slow pace of global economic growth weighed heavily on investors. This morning, the Bureau of Labor Statistics released its Job Openings and Labor Turnover Survey (JOLTS) for August, showing job openings increased from 4.67 million to 4.80 million for the month, slightly above forecast. Results from today’s 3-year Treasury auction will be released at 1:00 PM.