A day after the Trump administration effectively acknowledged the election of Joseph R. Biden Jr., investors showed their relief by pushing the two major stock market indexes to all-time records on Tuesday.It was a welcome party of sorts for Mr. Biden, but what investors were really embracing was the end of uncertainty. President-elect Biden has vowed to push for more stimulus to bolster the economy. His selection for Treasury secretary, Janet L. Yellen, is well known from her days as Federal Reserve chair. And several new coronavirus vaccine candidates mean that the pandemic could be under control in the …
