In trading on Thursday, shares of Westport Innovations, Inc. (WPRT) crossed below their 200 day moving average of $28.75, changing hands as low as $28.62 per share. Westport Innovations, Inc. shares are currently trading off about 2.6% on the day. The chart below shows the one year performance of WPRT shares, versus its 200 day moving average:
Looking at the chart above, WPRT's low point in its 52 week range is $23.01 per share, with $40.40 as the 52 week high point — that compares with a last trade of $28.88.
According to the ETF Finder at ETF Channel, WPRT makes up 2.15% of the WilderHill Progressive Energy Portfolio ETF (PUW) which is trading lower by about 3.5% on the day Thursday.