Galena Biopharma (SLS) Upgraded to Buy: Here's What You Should Know

As such, the Zacks rating upgrade for Galena Biopharma is essentially a positive comment on its earnings outlook that could have a favorable impact on its stock price. Most Powerful Force Impacting Stock Prices 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 price movement of its stock. The influence of institutional investors has a partial contribution to this relationship, as these big professionals u ...