united states oil fund lp When IHS Markit produced a euro-area purchasing managers index of 58, more than most economists had forecast, it was at its highest level since February 2011. Any score above 50 indicates growth. In many tries to define the term 'time'; we very often make use of the very word contained in the definition. Although time is definitely an ever-present concern of humans; this only clearly demonstrates the issue in formulating a clear precise and easily understood definition which we'll all universally agree and accept. The accounting income follows the historical cost principle and the matching principle, which is conducive to the objective reflection of the business management responsibility of the enterprise management authorities. But, due to the historical cost principle inherent defects, especially according to the present value of revenue and expenses by historical cost line, makes the calculation of accounting earnings lack of inner logical unity, and the matching principle is difficult to carry out, so that the book value of assets can not reflect its real value, cost cannot be fully compensated. And the economic benefit is measured in the current value, which reflects the actual value of the asset, which is beneficial to the full compensation of the cost. he market demand for the mobile, server and SSD product rapid growth, make the memory and flash memory maker Micron and achieved good quarterly results, that is a signal to markets want to continual change.