IPG Photonics shows entry timing by DPO vs historical growth

NASDAQ:IPGP   IPG Photonics Corporation
48% down from earlier 2018 high. Detrended Price Oscillator shows entry crossing zero on 1 day chart near $138 and down from earlier high of $260.
https://www.tradingview.com/wiki/Detrend...(DPO) Read more here on DPO on Tradingview.com/wiki.

Volume: 494K shares traded Friday and typical higher and near 800K shares.