A surge in oil prices is drawing fund managers back into shares of oil and gas companies, even as some remain unsure that the price gains will stick. Energy stocks in the S&P 500 (.SPNY) are up 53.8% for the year to date compared with a 20.2% gain for the broader index, as rising demand from the global economic reopening collides with supply chain disruptions and inflation fears to boost energy prices to multi-year highs. The rally has caught many fund managers by surprise and some are scrambling to catch up, betting that commodity prices will remain high in the face of burgeoning demand. Allocations to energy stocks among fund managers increased by 23 percentage points from last month to the largest overweight since […]