World stocks seesaw, yields fall on dire economic outlook

NEW YORK/LONDON (Reuters) - World stock markets seesawed while bond yields retreated on Thursday as dire U.S. jobless data underscored a deepening downturn amid the coronavirus outbreak and tamped down investor hopes a listless economy would soon be back on its feet.A record 22 million Americans sought unemployment benefits over the past month, with millions more filing claims last week in a stark sign of how deep the economic slump caused by the pandemic will be.Morgan Stanley Chief Executive..