Why Yahoo! (YHOO) Is Down Today

NEW YORK (TheStreet) -- Yahoo!  (YHOO) fell 3.01% to $39.99, down from its previous close of $41.23, at the close of the trading day on Monday after news broke that the company's recent malware attack may have been worse than previously thought.

Yahoo! posted on its HelpCenter site on Friday that a small number people outside of Europe, where the bulk of the attack took place, could have been affected by the attack. Yahoo! also stated that the issues took place between Dec. 27, 2013 and Jan. 3, 2014.

More than 2 million PCs may have been put at risk and some Yahoo! users may have had their personal information put in jeopardy. Those who used Yahoo! Web sites or services such as Yahoo! Mail and Yahoo! IM may have been hit with the malware through the Yahoo! ad network. The company has since addressed the problem.

On Monday, Yahoo! hit a high of $41.22 and a low of $39.80 and amassed a volume of 16,041,243, shares, less than its average volume of 17,131,500. The stock has a one-year high of $41.72 and a one-year low of $19.25.

TheStreet Ratings team rates YAHOO INC as a Buy with a ratings score of B-. The team has this to say about its recommendation:

"We rate YAHOO INC (YHOO) a BUY. This is driven by multiple strengths, which we believe should have a greater impact than any weaknesses, and should give investors a better performance opportunity than most stocks we cover. The company's strengths can be seen in multiple areas, such as its solid stock price performance, reasonable valuation levels and expanding profit margins. We feel these strengths outweigh the fact that the company has had sub par growth in net income."

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