[China rare Earth Industry Association: rare Earth Price Index shows a slow upward trend in May] according to the China rare Earth Industry Association, the rare earth price index showed a slow upward trend in May. The average price index for the month was 201.3. The price index peaked at 213.6 points on May 30 and the lowest at 192.4 points on May 6. The difference between high and low points is 21.2 points, with a fluctuation range of 10.5%.