Brent crude futures broke the $90 threshold on Wednesday for the first time in almost eight years, pushing the already rampant recovery of oil after hitting a bump in April 2020. Short supply and the Russia-Ukraine tensions are playing a key part. Q4 2021 hedge fund letters, conferences and more Oil PricesAs reported by CNBC, Brent crude futures topped $90 —an increase of more than 2%— while the U.S. benchmark, West Texas Intermediate crude futures, jumped by more than 2% to $87.43 per barrel. High crude prices might be around the corner due to potential sanctions on Russia if the Europe giant…