Ratings agency Fitch downgraded Greece's long-term credit rating from B- to CCC on Thursday, citing the increased risk that Greece could be forced to leave the eurozone.

CNN: Spain faces bank concerns after downgrade

Ratings agency Fitch cut Greece's long-term credit rating from B- to CCC Thursday, only one notch above default level, reflecting worries over its ability to remain in the euro currency zone.

CNN: STORY HIGHLIGHTS

In the event the ratings agency cut Greek long-term bond ratings by two notches to B from BB- and said that the outlook may bring a further weakening.

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