Investors might want to bet on Intuitive Surgical, Inc. (NASDAQ: ISRG), as earnings estimates for this company have been showing solid improvement lately. The stock has already gained solid short-term price momentum, and this trend might continue with its still improving earnings outlook. Analysts' growing optimism on the earnings prospects of this company is driving estimates higher, which should get reflected in its stock price. After all, empirical research shows a strong correlation between trends in earnings estimate revisions and near-term stock price movements. This insight is at the core of our stock rating tool -- the Zacks Rank. The five-grade Zacks Rank system, which ranges from a Zacks Rank #1 (Strong Buy) to a ...