What happened? Shares of STAAR Surgical Company (NASDAQ: STAA) are rising sharply on Tuesday, up by 10.8% as of 12:42 p.m. EST, after jumping by as much as 13.8% earlier in the day. However, there doesn't seem to be any company-specific catalysts for these gains. The implantable lenses manufacturer did not report any news that sent its stock price soaring, and the jump isn't attributable to bullish commentary from Wall Street analysts either. The most likely explanation for STAAR Surgical's good fortune today is that the broader market, particularly the tech-heavy Nasdaq Composite, seems to be rebounding after losing altitude in the past week (or so). So what Lawmakers in the U.S. are getting closer to passing the next stimulus bill, which, among other things, will put much-needed cash in the hands of Americans and help spur economic activity. As a result of these developments, all three major U.S. market indexes are up today (as of this writing), and STAAR Surgical is simply riding that wave. But investors need not worry about daily fluctuations in the prices of securities. It is best to focus on a company's financial results and overall prospects. Image source: Getty Images. On that front, STAAR Surgical is certainly worth a look. The company released its fourth-quarter 2020 earnings report on Feb. 24, and its net sales of roughly $46 million -- and adjusted earnings per share of $0.14 -- both came in above consensus analyst estimates. And while STAAR Surgical did not provide any guidance for the fiscal year 2021, the company's CEO, Caren Mason, expects strong year-over-year growth during the first half. Now what If STAAR Surgical can maintain the momentum it has been riding since the end of last year, its stock could see even better days ahead. In short, investors would do well to keep an eye on this healthcare stock. 10 stocks we like better than STAAR SurgicalWhen investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has tripled the market.* David and Tom just revealed what they believe are the ten best stocks for investors to buy right now... and STAAR Surgical wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of February 24, 2021 Prosper Junior Bakiny has no position in any of the stocks mentioned. The Motley Fool recommends STAAR Surgical. The Motley Fool has a disclosure policy.Source