In trading on Tuesday, shares of Burcon NUTRASC. J (TSX: BU.TO) crossed below their 200 day moving average of $3.73, changing hands as low as $3.72 per share. Burcon NUTRASC. J shares are currently trading off about 2.1% 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 $2.26 per share, with $5.57 as the 52 week high point — that compares with a last trade of $3.72.