Their bulk investment action then leads to price movement for the stock. Fundamentally speaking, rising earnings estimates and the consequent rating upgrade for XPeng Inc. Sponsored ADR imply an improvement in the company's underlying business. Investors should show their appreciation for this improving business trend by pushing the stock higher. 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 rewarding.