* Ruble falls again after interest rates raised to 17 percent* Moscow stock markets plunge, but U.S., Europe turn higher* Brent, U.S. crude trade below $60 a barrel(Adds close of European bond, stock markets; changes dateline; previous LONDON)By Herbert LashNEW YORK, Dec 16 (Reuters) - Crude oil prices pared losses and global equity markets rebounded on Tuesday as investors snapped up beaten-down