The chalcogens are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen family. It consists of the elements oxygen, sulfur, selenium, tellurium, and the radioactive element polonium. The chemically uncharacterized synthetic element livermorium is predicted to be a chalcogen as well. Often, oxygen is treated separately from the other chalcogens, sometimes even excluded from the scope of the term chalcogen altogether, due to its very different chemical
Stocks open higher as Dow tries to end 2-day slide. Stocks opened higher on Thursday as The Dow Jones Industrial Average fought to end a two-day slide after data showed the number of Americans applying for jobless benefits fell to a 17-year low. The S&P 500 index climbed 5 points, or 0.2%, to 2,343. The Dow Jones Industrial Average advanced 18 points, or 0.1%, to 20,423, as a post-earnings drop in shares of Verizon Communications Inc. and International Business Machines Corp. caused the benchmark to lag its peers.
S&P/ASX 20. The S&P/ASX 20 is comprised of the 20. largest and liquid stocks listed in the Aus-. tralian market. S&P/ASX 50. The S&P/ASX 50 is comprised of the 50. largest and liquid stocks listed in the Aus-. tralian market. S&P/ASX 100. The S&P/ASX 100 is comprised of the S&P/. ASX 50 plus the S&P/ASX MidCap 50. S&P/ASX 200. The S&P/ASX 200 is comprised of the S&P/. ASX 100 plus an additional 100 stocks.