Stocks that are too expensive to short often wind up with artificially high prices—setting them up for steep price drops.

Alejandro Lopez-Lira, along with colleagues, used machine learning to test 200 investing theories. They also set the algorithm up to seek out ratios with better performance returns. The algorithm ...

Algorithmic trading uses computers to trade stocks quickly based on set rules. It can affect market prices and volatility, impacting long-term investment portfolios. Such trading requires specific ...