When you own a share of stock, you are a part owner in the company with a claim -- however small it may be -- on every asset and every penny in earnings.As a company's earnings improve, investors are willing to pay more for the stock.here are thousands of stocks to choose from, so investors usually put stocks into different categories: size, style and sector. Size: A company's size refers to its market capitalization, which is the current share price times the total number of shares outstanding.
Two types of bentonite are generally identified. One is called the swelling type or sodium bentonite, which has single water layer particles containing Na+ as the exchangeable ion. The other has double water layer particles with Ca++ as the exchangeable ion. It is called calcium bentonite or non-swelling type.
Coal Mining. A coal miner shovels coal deep inside the earth. The Hurricane Creek mine disaster occurred when swirling coal dust ignited inside a mine like the one pictured. Courtesy of the University of Kentucky.ynamite, a substance found in the Hurricane Creek mine during the post-blast investigation, was banned by the Federal Coal Mine Health and Safety Act. The investigation revealed the mine was an absolute failure enforcing the new safety laws.