In trading on Friday, shares of Brooks Automation Inc (BRKS - Get Report) crossed below their last reported book value — defined as common shareholder equity per share — of $9.48, changing hands as low as $8.75 per share. Brooks Automation Inc shares are currently trading up about 3.9% on the day. The chart below shows the one year performance of BRKS shares, versus its 50 and 200 day moving averages:

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Brooks Automation Inc Moving Averages Chart

Looking at the chart above, BRKS's low point in its 52 week range is $8.74 per share, with $11.64 as the 52 week high point — that compares with a last trade of $9.93.

According to the ETF Finder at ETF Channel, BRKS makes up 2.46% of the PowerShares Dynamic Semiconductors Portfolio ETF ( PSI) which is trading lower by about 0.6% on the day Friday.