* Saudi Arabia, Bahrain, Oman downgraded by S&P * But investors focus instead on rising oil prices * Saudi's Jabal Omar rises on loan extension * Dubai's GFH continues climb after Abu Dhabi group buys * Egypt sluggish amid currency worries By Andrew Torchia DUBAI, Feb 18 (Reuters) - Gulf stock
markets rose on Thursday amid hopes for a global deal to prop up oil prices, as investors largely ig**red sharp
downgrades of the credit ratings of three nations in the region. ...
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