Take U.S. Concrete, whose bonds have jumped 25% since May, despite falling sales for four straight quarters, diminishing cash and a weakened ability to cover interest payments, according to Bryan.

FORBES: Magazine Article

U.S. Concrete ( RMIX - news - people ), whose bonds have jumped 25% since May, despite falling sales for four straight quarters, diminishing cash and a weakened ability to cover interest payments, according to Bryan.

FORBES: U.S. Market