The worst is over for global oil prices, according to UBS AG and Barclays Plc. After the biggest quarterly drop in more than two years, Brent is set to recover as Saudi Arabia cuts output and demand climbs, they said. “Supply is the important thing and Saudi Arabia is in the process of rebalancing the market,” Giovanni Staunovo, an analyst at UBS in Zurich, said by e-mail yesterday. “The weakness in crude oil prices should come to an end.” Brent fell yesterday by the most since Jan. 2 to $94.67 a barrel. It extended a quarterly drop to 16 percent, the largest since the three months ended June 2012. The benchmark grade for more than half the world’s oil will average $105 from October to December, according to the median estimate of 15 analysts compiled by Bloomberg since Sept. 11. It gained as much as 0.5 percent to $95.17 […]