Bond selloff cools, Wall Street rebounds

By Richard Leong NEW YORK (Reuters) - The global bond market rout slowed on Thursday as long-term borrowing costs retreated from their highest levels in more than five months, helping to stabilize European stocks and kindle a mild recovery on Wall Street. U.S. Federal Reserve Chair Janet Yellen's warning about high equity valuations on Wednesday added pressure to U.S. stocks ahead of Friday's U.S. jobs report, which may support expectations of a possible Fed rate increase later this ye