MediaAlpha, Inc. (MAX) could be a solid choice for investors given its recent upgrade to a Zacks Rank #1 (Strong Buy). This upgrade primarily reflects an upward trend in earnings estimates, which is one of the most powerful forces 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. That's partly because of the influence of institutional investors that use ...