ACS Editors' Choice: Air Quality in Puerto Rico in the Aftermath of Hurricane Maria â and More! This week: Air quality in Puerto Rico in the aftermath of ...
facebook · twitter · Email Alerts ... THIS WEEK IN BUSINESS ... Life insurance companies' purchases in the first quarter of this year were greater than in the ...
This Week In Business C&EN is now using the Standard & Poor's Index of stock prices to replace the index issued by the Securities and Exchange Commission. The SEC composite index (based on 300 industrial stocks) was discontinued in June.
AUGUST
17,
1964
The Standard & Poor's index is a weekly index based on 425 industrial stocks. The number used by C&EN is the Standard & Poor's index calculated to the base used in compiling the C&EN index.
C&EN INDEX OF STOCK PRICES Janwry 1951+ Opening Prices = 100
