Bid to halt price slide after summer high
                                
                                
                                    (Newser) -
                                    The international oil cartel OPEC announced today it's reducing production by more than half a million barrels a day, the Financial Times reports. The decision by the cartel, which controls 40% of world oil production, stunned most analysts.  The move comes as oil prices, after spiking to an all-time high...