Read the passage and answer the following questions:According to the latest numbers, the core sector saw terrific (5.5 percent) growth recently. This could be a statistical aberration or a flash in the pan. But steel prices are rising and this could be the sign of genuine core sector demand. It will be interesting to see if steel prices do maintain an upward trend. That would be a confirmation of sustainability. If steel is indeed in a situation of high demand, it is a given that downstream manufacturing will be doing well. Core sector industries such as heavy construction, mining, steel, etc. are classified as cyclicals. However, the downtrend has lasted so long that one afraid that these industries were in permanent decline. One doesn't know whether the apparent improvement will translate into rising stock prices over the long term.The downstream manufacturing units are expected to have a slowdown in near future.