NEW YORK, Feb 2 (Reuters) - A U.S. judge on Tuesday cleared the way for investors to sue Brazil's state-run oil company Petrobras as a group in litigation over billions of dollars in losses stemming from a bribery and political kickback scandal.
* U.S. Treasury yields fall to 9-month lows (Updates with close of U.S.
Rentricity Inc. reports it has begun work on installation of its first micro-hydro in-pipe projects, in Colorado and Utah.
ERBIL, Iraq, Feb 2 (Reuters) - Iraq's autonomous Kurdistan region should hold a non-binding referendum on independence, its president said on Tuesday, despite the numerous crises it is facing.
Feb 2 (Reuters) - Few phenomena in the stock market are more predictable than oil major Exxon Mobil Corp's massive share buyback program.
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