In trading on Thursday, shares of Burcon NUTRASC. J (TSX: BU.TO) crossed below their 200 day moving average of $3.04, changing hands as low as $3.03 per share. Burcon NUTRASC. J shares are currently trading down about 3.8% on the day. The chart below shows the one year performance of BU shares, versus its 200 day moving average:Looking at the chart above, BU's low point in its 52 week range is $2.28 per share, with $4.47 as the 52 week high point — that compares with a last trade of $3.03.