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.
The S&P 500 closed out 2013 at a record high, finishing the December 31, 2013, trading day at 1,848.36. On May 23, 2014, the index for the first time closed above 1,900, at 1,900.53.On August 26, 2014, the index closed above 2,000 for the very first time, and on December 22 the S&P 500 climbed to 2078, an all-time high. The index closed on December 29 at 2,090.57 with a closing of 2,058.90 at the end of 2014.n May 3, 2013âmore than 13 years since its first close above 1,500âthe S&P 500 closed above 1,600 for the first time, at 1,614.42. This would be the first of three 100-point milestones in 2013: 1,600 on May 3, 2013; 1,700 on August 1, 2013; and 1,800 on November 22, 2013.