(Bloomberg) -- Emerging-market stocks are set to post the biggest weekly losses since mid-August as the escalating conflict in the Middle East diminishes chances of a year-end rally.Most Read from BloombergWhere Does Israel Get Its 220,000 Barrels of Oil Every Day?Biden’s Influence Turns Israel's Ground War Plans Into ‘Something Different’Here’s What 8% Mortgage Rates Will Do to the Housing MarketIsrael Latest: Concern Over Wider Conflict Before Leaders SummitRinggit Falls to 25-Year Low, the Wo