The S&P 500 Index is up more than 8% over the past two weeks, recouping all of its losses since the Russian invasion on Feb. 24. The Nasdaq is up almost 11%.
During his tenure at the top of Fidelity, from 1972 to 2014, assets jumped to more than $2.1 trillion from $3.9 billion, making it the second-biggest U.S. mutual fund company.