A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Mumbai, Nov. 14 -- The dollar index dropped to a two week low on Friday, rolling back to near 99 mark, giving up much of the gains registered early this month, amid uncertainty whether key U.S.