Sera Prognostics' Upgraded Rating to Buy: What's Behind the Move

Sera Prognostics (SERA) has been upgraded to a Zacks Rank #2 (Buy) due to an upward trend in earnings estimates. The company's improving earnings outlook is likely to drive buying pressure and increase its stock price. The Zacks Rank stock-rating system harnesses the power of earnings estimate revisions to classify stocks into five groups, ranging from Strong Buy to Strong Sell.