Woori Bank (WF) Upgraded to Buy: Here's What You Should Know

Since a changing earnings picture is a powerful factor influencing near-term stock price movements, the Zacks rating system is very useful for individual investors. They may find it difficult to make decisions based on rating upgrades by Wall Street analysts, as these are mostly driven by subjective factors that are hard to see and measure in real time. The change in a company's future earnings potential, as reflected in earnings estimate revisions, has proven to be strongly correlated with the near-term pr ...