Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link.

Tesoro Corporation



) pushed the Basic Materials sector higher today making it today's featured basic materials winner. The sector as a whole closed the day down 0.9%. By the end of trading, Tesoro Corporation rose $1.08 (2.3%) to $47.78 on heavy volume. Throughout the day, 4,912,360 shares of Tesoro Corporation exchanged hands as compared to its average daily volume of 3,117,700 shares. The stock ranged in a price between $46.10-$48.60 after having opened the day at $46.65 as compared to the previous trading day's close of $46.70. Other companies within the Basic Materials sector that increased today were:

GeoPetro Resources Company



), up 75.0%,

Crosshair Energy



), up 20.0%,

China Gengsheng Minerals



), up 16.0% and

Platinum Group Metal



), up 9.4%.

Tesoro Corporation, together with its subsidiaries, engages in refining and marketing petroleum products in the United States. It operates in two segments, Refining and Retail. Tesoro Corporation has a market cap of $6.4 billion and is part of the energy industry. Shares are up 6.0% year to date as of the close of trading on Tuesday. Currently there are 9 analysts that rate Tesoro Corporation a buy, no analysts rate it a sell, and 4 rate it a hold.

TheStreet Ratings rates

Tesoro Corporation

as a


. The company's strengths can be seen in multiple areas, such as its revenue growth, attractive valuation levels and solid stock price performance. We feel these strengths outweigh the fact that the company has had sub par growth in net income.

On the negative front,

Lone Pine Resources



), down 14.2%,

Cardero Resources Corporation



), down 12.1%,

Samson Oil & Gas



), down 12.1% and

Golden Star Resources



), down 10.0% , were all laggards within the basic materials sector with

Canadian Natural Resources



) being today's basic materials sector laggard.

For investors not wanting singular stock exposure, ETFs may be of interest. Investors who are bullish on the basic materials sector could consider

Materials Select Sector SPDR



) while those bearish on the basic materials sector could consider

ProShares Short Basic Materials Fd




3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.