Investors might want to bet on Global Industrial (GIC) , as it has been recently upgraded to a Zacks Rank #1 (Strong Buy). This rating change essentially reflects an upward trend in earnings estimates -- one of the most powerful forces impacting stock prices. Harnessing the Power of Earnings Estimate Revisions As empirical research shows a strong correlation between trends in earnings estimate revisions and near-term stock movements, tracking such revisions for making an investment decision could be truly r ...