The S&P 500 ended higher on Monday, lifted by energy stocks following surprise cuts to the OPEC+ group’s oil output targets, while Tesla tumbled after its electric vehicle deliveries for the first quarter disappointed investors. Tesla Inc dropped 6.1 percent after disclosing March-quarter deliveries rose just 4 percent from the previous quarter, even after CEO … Continue reading S&P 500 ends higher as oil stocks rally; Tesla tumbles