Stocks of Taiwanese pattern sapphire substrate (PSS) providers, including Crystalwise, Rigitech Microelectronics, and Acme Electronics, lately witness a noticeable hike.

Taiwan-based sapphire substrate supplier Crystalwise Technology suffered a loss per share of NTD 2.99 in the past three quarters in 2017 mainly due to the low price of patterned sapphire substrates (PSS). The market has gone through a reshuffle and gradually turned healthy in recent years.