In trading on Friday, shares of Applied Optoelectronics Inc (AAOI - Get Report) crossed below their 200 day moving average of $55.95, changing hands as low as $46.00 per share. Applied Optoelectronics Inc shares are currently trading off about 21.5% on the day. The chart below shows the one year performance of AAOI shares, versus its 200 day moving average:

Click here to find out which 9 other stocks recently crossed below their 200 day moving average »

Applied Optoelectronics Inc 200 Day Moving Average Chart

Looking at the chart above, AAOI's low point in its 52 week range is $18.85 per share, with $103.41 as the 52 week high point — that compares with a last trade of $46.16.

According to the ETF Finder at ETF Channel, AAOI makes up 1.99% of the PowerShares Dynamic Networking Portfolio ETF ( PXQ) which is trading relatively unchanged on the day Friday.