Oil prices climb as supply concerns over Russian sanctions persist
                                            
                            U.S. West Texas Intermediate crude, which expires on Tuesday, was at USD 78.47 a barrel, up 59 cents, or 0.8%, after settling down 1.02% on Friday. The more active April contract rose 36 cents to USD 77.75 a barrel.                        
                                        
                    
                                
                    
                                
                            U.S. West Texas Intermediate crude, which expires on Tuesday, was at USD 78.47 a barrel, up 59 cents, or 0.8%, after settling down 1.02% on Friday. The more active April contract rose 36 cents to USD 77.75 a barrel.