How OPEC affects prices. In addition to production cuts, one of the levers OPEC uses to impact prices is production quotas. In 1982, OPEC introduced mandatory quotas among its member nations to control supplies. In doing so, it became a price-setting cartel instead of a group of price-taking commodity producers.

Restricted stock typically is that issued to company insiders with limits on when it may be traded. Dividend Yield A company's dividend expressed as a percentage of its current stock price. Complete stock market coverage with breaking news, analysis, stock quotes, before & after hours market data, research and earnings All quotes are in local exchange time. Real-time last sale data for U.S. stock quotes reflect trades reported through Nasdaq only. Intraday data delayed at least 15 minutes or per exchange

Cash-settled index options do not correspond to a particular number of shares. Rather, the underlying instrument of an index option is usually the value of the