In trading on Tuesday, shares of L.B. Foster Co. ( FSTR) crossed below their 200 day moving average of $44.02, changing hands as low as $43.48 per share. L.B. Foster Co. shares are currently trading off about 1.7% on the day. The chart below shows the one year performance of FSTR shares, versus its 200 day moving average:Looking at the chart above, FSTR's low point in its 52 week range is $31.66 per share, with $47.91 as the 52 week high point — that compares with a last trade of $43.73. According to the ETF Finder at ETF Channel, FSTR makes up 2.06% of the First Trust Dow Jones Select MicroCap Index Fund ETF ( FDM) which is trading lower by about 0.8% on the day Tuesday.