The Street's Slickest Number-Crunchers

Quants use ever-more complex algorithms to execute arcane trading strategies, a good approach during times of market turmoil

Only a few years ago, using a computer program to pick stocks was the ultimate in investing sophistication. Any portfolio manager who used a stock screen to, say, identify large-cap companies with low price-earnings ratios could justifiably claim to be a "quant" -- shorthand for investors who use quantitative research and trading strategies.

To continue reading this article you must be a Bloomberg Professional Service Subscriber.