Axcelis Technologies (ACLS) could be a solid addition to your portfolio given a notable revision in the company's earnings estimates. While the stock has been gaining lately, the trend might continue since its earnings outlook is still improving.The upward trend in estimate revisions for this semiconductor services company reflects growing optimism of analysts on its earnings prospects, which should get reflected in its stock price. After all, empirical research shows a strong correlation between trends in ...

Axcelis Technologies (ACLS) appears an attractive pick, as it has been recently upgraded to a Zacks Rank #1 (Strong Buy). This upgrade is essentially a reflection of an upward trend in earnings estimates -- one of the most powerful forces impacting stock prices.The Zacks rating relies solely on a company's changing earnings picture. It tracks EPS estimates for the current and following years from the sell-side analysts covering the stock through a consensus measure -- the Zacks Consensus Estimate.The power ...