Week in Preview: Discover, Oracle and Tiffany Earnings

Oracle, Discover and Tiffany are all expected to report year-over-year growth for their most recent quarters this week. Meanwhile, many will be looking for an updated snapshot of the housing market, with three sets of real-estate data coming out.

Discover to sell $500 million in stock

It says something about the market's generally improving impression of financial stocks. Discover Financial Services (DFS) will sell $500 million in...