SMM, April 23: Shanghai electrolytic copper spot contract today rose 170 yuan / ton ~ 190 yuan / ton, Pingshui copper transaction price 41900 yuan / ton ~ 42040 yuan / ton, Shengshui copper transaction price 41910 yuan / ton ~ 42050 yuan / ton. Shanghai copper rose to 41800 yuan / ton, rebounding about 1000 yuan. The morning market holder quotation is firm, the market inquiry is active, the market continues yesterday's quotation in the rising water 170 ~ 190 yuan / ton, the good copper concentrates in the rising water 180 yuan / ton first line, the majority of the holder flat water copper price is above 170 yuan / ton, the flat water copper small amount may press the price to 160 yuan / ton, the downstream buying market is not as good as yesterday, the wet method copper performance is slightly lower than yesterday, the quotation in the rising water 130 ~ rises 150 yuan / ton. Copper futures rose more, holders maintained high prices, downstream buying fell significantly, traders speculative space is limited, the characteristics of both supply and demand are obvious.