In this section, the paper optimizes the stock portfolio of stock companies based on the Markowitz mean-variance model. The main purpose of this section is to provide a model to increase the rate of return on the stock portfolio and reduce investment risk. For this purpose, the companies listed on the stock exchange have been studied. Since investing in all stocks of listed companies is impossible and the risk of investing in them is high, in this section, some of the listed companies are first filtered using predefined rules. The reason for this is to focus on companies that can be traded at least once a month. In order to filter active companies from other companies, three types of input data are used according to Figure 1:(1)Eight technical variables (final price, number of buyers, number of transactions, trading volume, value of daily transactions, daily value of the company, P/E ratio, and number of shares of each company)(2)Fundamental variables (old design coin price, new design coin, dollar, index, gold, oil, euro)
But since then, Boone has become the poster child for Drug Court. Though his life has had many twists and turns since then (including a stint in prison camp for inadvertently selling smuggled narwhal tusks at his trading company, and a relapse back into drugs) Boone credits God and Drug Court for helping him down the path to recovery.
Grey Wolf Trading Company
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Amazon shares dropped by nearly 5 percent in after-hours trading after the online retail giant posted a smaller-than-expected increase in third-quarter profit, ending a three-quarter streak of record profits. Amazon said its shipping costs had surged, rising by 43 percent to $3.9 billion, as the company started building the base of its own shipping operation to boost its delivery capacity over the crucial holiday shopping season. 2ff7e9595c
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