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.

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The

Dow Jones Industrial Average

(

^DJI

) closed up 190 points (+1.1%) at 17,630. During the day, 402 million shares of the 30 Dow components have changed hands vs. an average daily trading volume of 332.7 million. The NYSE advances/declines ratio closed at 2,265 issues advancing vs. 833 declining with 119 unchanged.

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The Dow component that led the way higher today was

UnitedHealth Group

(NYSE:

UNH

), which sported a $3.64 gain (+3.1%) bringing the stock to $121.52. This single gain is lifting the Dow Jones Industrial Average by 27.55 points or roughly accounting for 14.5% of the Dow's overall gain. Volume for UnitedHealth Group ended the day at 5.1 million shares traded vs. an average daily trading volume of 4.4 million shares.

UnitedHealth Group has a market cap of $112.27 billion and is part of the health care sector and health services industry. Shares are up 16.6% year-to-date as of Monday's close. The stock's dividend yield sits at 1.7%.

UnitedHealth Group Incorporated operates as a diversified health and well-being company in the United States.

TheStreet Ratings rates UnitedHealth Group as a

buy

. The company's strengths can be seen in multiple areas, such as its solid stock price performance, impressive record of earnings per share growth, increase in net income, revenue growth and notable return on equity. We feel its strengths outweigh the fact that the company shows low profit margins.

Holding the Dow back today was

Microsoft

(Nasdaq:

MSFT

), which lagged the broader Dow index with a one-cent decline to $45.34. Volume for Microsoft ended the day at 34.1 million shares traded vs. an average daily trading volume of 32.9 million shares.

Microsoft has a market cap of $371.64 billion and is part of the technology sector and computer software & services industry. Shares are down 2.4% year-to-date as of Monday's close. The stock's dividend yield sits at 2.7%.

Microsoft Corporation develops, licenses, markets, and supports software, services, and devices worldwide. The company's Devices and Consumer (D&C) Licensing segment licenses Windows operating system and related software; Microsoft Office for consumers; and Windows Phone operating system.

TheStreet Ratings rates Microsoft as a

buy

. The company's strengths can be seen in multiple areas, such as its reasonable valuation levels, expanding profit margins, increase in stock price during the past year, largely solid financial position with reasonable debt levels by most measures and notable return on equity. We feel its strengths outweigh the fact that the company has had sub par growth in net income.

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