Editor's Note: In this feature from Stockpickr, we highlight lists of stocks that have been upgraded by analysts or are experiencing activist-investor situations or some other market-moving events.

Rumors of the Day

: Shares of

Cree

(CREE) - Get Report

continue to rise Thursday on reinvigorated rumors that

General Electric

(GE) - Get Report

could buy the semiconductor manufacturer. Shares of Cree gained $1.96, or 6.1%, to $33.97 in recent trading, while GE slip a slight 31 cents, or 0.7%, at $41.18.

Meanwhile,

Nasdaq

I:IXIC

shares climbed on an early morning report that the exchange would sell its 30% stake in the London Stock Exchange Group to Borse Dubai in a larger, three-way deal for Nordic exchange operator OMX. Nasdaq stock was trading 2.7% higher at $37.

Today's Hot List

:

Athenahealth

(ATHN) - Get Report

TST Recommends

soared in its public debut Thursday. Shares of company, which provides Internet-based business services to medical practices, were trading up 88% at $33.80. The company priced 6 million shares at $18 each, above the expected $14-$18 range.

Bear Stearns

( BSC) reported third-quarter earnings per share of $1.16, which fell short of the $1.78 analyst consensus estimate. Revenue of $1.3 billion also fell short of the $1.64 billion consensus. Bear said it will boost its share-buyback program to $2.5 billion. Shares rose 1.3% to $117.09.

Analyst Downgrades

: Morgan Stanley downgraded

Accenture

(ACN) - Get Report

from overweight to equal-weight and lowered its price target from $48 to $42. Shares of the consulting and outsourcing firm initially dropped but were recently up 10 cents at $39.32.

Analyst Upgrades

: Credit Suisse upgraded

General Mills

(GIS) - Get Report

to outperfrom from neutral, based on improved execution by management and valuation. The firm raised its target price to $65 from $59. Shares of the cereal maker rose 38 cents to $59.21.

Latest Activist Situations

: SCSF Equities (Sun Capital), which has a 9.9% stake in

Kellwood

( KWD), has offered to acquire all the remaining shares that it doesn't own for $21 apiece, a price that represents a premium of 38% to the stock's last closing price. According to StreetInsider.com's 13D Tracker page, Sun Capital has been a Kellwood shareholder since May, filing its original 13D in June. "Due to disappointing financial performance, shares of Kellwood have been cut in half this year, with a significant drop occurring since July. Sun Capital said the steps necessary to maximize shareholder value will require more aggressive action than has currently been undertaken, will take time to implement and will be extremely difficult to execute in a public company context." Kellwood shares are lower by 20 cents at $18.94.

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