7 Stocks you need to know for Tuesday

Amazon.com (AMZN | news | PowerRating | PR Charts ) soared on news that Goldman Sachs added the company to its "buy" list, citing the potential for growth in the leading online retailer.

Another day, another upgrade in the semiconductor sector as Citigroup raises Texas Instruments (TXN | news | PowerRating | PR Charts ) from "hold" to "buy".

Railroad stocks continued to rally with CSX Corp. (CSX | news | PowerRating | PR Charts ) leading the group higher on the day.

Shares of SanDisk (SNDK | news | PowerRating | PR Charts ) plunged more than 7% on an analyst downgrade to "market underperform."

Traders bid shares of Solarfun Power Holdings (SOLF | news | PowerRating | PR Charts ) higher on Monday in anticipation of the company's earnings report on Wednesday before the open.

Home Depot (HD | news | PowerRating | PR Charts ), the worlds largest home improvement retailer, reports earnings Tuesday morning before the bell. Analysts expect EPS of $0.37.

Oracle (ORCL | news | PowerRating | PR Charts ) found its future and Larry Ellison's leadership endorsed by Barron's magazine over the weekend. The stock was up more than 3% on the Monday.