Good morning and welcome back to the L.A. Times Book Club newsletter. I’m Jim Ruland, a fiction writer, punk historian and a longtime contributor to the Los Angeles Times, and this summer I’ll be ...

Discover how short interest theory works, why it's seen as a bullish indicator, and learn how to identify opportunities in heavily shorted stocks.

Short selling is one of those features of the market that companies tend to dislike, but for arbitrageurs and market makers, it is an absolute necessity. The fear for companies and investors is that ...