The Chinese vertical typography is sadly a bit off. If punctuation marks are used at all, they should be the characters specifically designed for vertical text, like ︒(U+FE12 PRESENTATION FORM FOR VERTICAL IDEOGRAPHIC FULL STOP).
There are ETFs that specifically exclude companies with lots of negative externalities (no Exxon, etc.). The term to look for is "socially responsible".
Anyone interested in formants and speech synthesis should have a look at Praat[0], a marvellous piece of free software that can do all kinds of speech analysis, synthesis, and manipulation.
https://baike.baidu.com/item/Godson/10744024