In the $2 trillion Treasury-bill market, where the U.S. government turns for short-term funding, investors are showing they’re plenty nervous about the approaching deadline to raise the nation’s debt ceiling……There’s growing concern that the impasse over the debt limit will become entangled with efforts to keep the government open. Current federal funding expires Feb. 8, and the Republican-led Congress has been working on a stopgap measure to extend that into late March.
