Bad things, information that has a negative impact on the stock, etc.

Brief:

Stocks cannot be short, but they can be bearish, that is, they are not optimistic about the market outlook. Foreign stocks can be short.

Masukura: Continue to buy stocks and increase chips.

Closing position: generally speaking, it refers to selling stocks in stocks. Closing position is a concept in futures, that is, ending one's own trading, and the operation direction is opposite to opening positions. In short, closing a position is the completion of a transaction.