This post was originally published on this site
As of Sept. 30, short interest rose to about 12.497 billion shares, compared with 12.209 billion shares as of Sept. 15.
Investors who sell securities “short” borrow shares and then sell them, expecting the stock to fall so they can buy the shares back at the lower price, return them to the lender and pocket the difference.
Shorting can also be part of a hedging strategy.
