Stocks gained at the start of earnings season after largely positive results from Alcoa and retailers, and as the latest euro zone debt crisis eased.
The Dow Jones Industrial Average rose more than 40 points at the open after falling for a third straight session on Monday.
So which individual stocks are worth watching today? Here are six that are on the move:
The broadline retailer was upgraded to outperform from neutral at Credit Suisse.
The airline company was downgraded to neutral from buy at UBS. The firm kept its price target at $10, but said negotiations with online travel agencies were likely to hurt near-term earnings.
Ultimate Software Group Inc
The software company was trading at all-time highs.
The accessories and apparel company was upgraded to buy from neutral at Buckingham.
The floor furnishing company was downgraded to hold from buy at Stifel Nicolaus.
The global consumer products company was trading lower after first quarter earnings and missed expectations. The company cited higher operating expenses and advertising costs.
Get the latest stock picks on the CNBC Stock Blog, and see what analysts and others are watching before the bell each day at Analyst Watch.