GLOBAL MARKETS-Equities slump, led by energy as oil hits 5-1/2-year lows

* Oil prices hit 5-1/2-year lows * Commodity-linked shares lead stock declines * Euro hits near 9-year low vs dollar on "Grexit" fears * U.S. long-dated yields hit multi-year lows (Updates to close...

from Reuters: Bonds News http://ift.tt/1IhdBpU