BOK Financial (BOKF) Upgraded to Buy: Here's Why

Harnessing the Power of Earnings Estimate Revisions The power of a changing earnings picture in determining near-term stock price movements makes the Zacks rating system highly useful for individual investors, since it can be difficult to make decisions based on rating upgrades by Wall Street analysts. These are mostly driven by subjective factors that are hard to see and measure in real time. Unlike the overly optimistic Wall Street analysts whose rating systems tend to be weighted toward favorable recomme ...