Shares jump after upbeat coronavirus drug data, oil surges

NEW YORK (Reuters) - World stock markets surged on Wednesday following encouraging news for an experimental COVID-19 treatment and some positive earnings reports, while beaten-up oil prices surged.MSCI's gauge of stocks across the globe gained 2.25%. Major U.S. averages were up well over 2%, while the pan-European STOXX 600 index rose 1.75%.Gilead Sciences Inc said that in a clinical trial, its experimental antiviral drug remdesivir helped improve outcomes for patients with COVID-19, the..