Wall Street at record highs on stimulus, vaccine optimism

By Devik Jain and Medha Singh (Reuters) - Wall Street's main indexes scaled all-time highs on Monday, as investors bet on hopes that a fiscal relief package and vaccine roll-outs would lead to a speedy economic recovery. As oil prices rose to their highest in more than a year, energy stocks gained 2.2%, the most among major S&P sectors. The defensive real estates and utilities underperformed. [O/R] Supporting the sentiment was U.S. Treasury Secretary Janet Yellen's comment on Sunday that if Congress approves the $1.9 trillion plan, the country would get back to full employment next year. The C...