How These 2 Nasdaq Stocks Are Bucking Tuesday's Tumble

Investors are nervous about what the Federal Reserve might do with interest rates when it meets later this week, and that nervousness is showing up in major market indexes. On Tuesday, the Nasdaq Composite (NASDAQINDEX: ^IXIC) was down about half a percent as of noon ET, actually managing to post slightly smaller losses than other popular benchmarks. Here's why Wall Street is taking a closer look at Wynn Resorts (NASDAQ: WYNN) and Change Healthcare (NASDAQ: CHNG) and whether the day's share-price gains could build from here.