Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

The mean ping time reveals the typical round-trip duration. Standard deviation indicates how much ping times vary from the mean. More pings may mean more accurate results, but the distribution of ping ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech and strategic finance ...

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.

Required minimum distributions (RMD) are mandatory withdrawals seniors must take from their retirement accounts starting at age 73. RMDs are not a set dollar amount. Rather, they're a sliver of your ...