The major indices closed the session in positive territory for the fifth day in a row, with the Dow closing at 2009 highs. The Dow closed up 0.8%, the S&P gained 1.0% and the Nasdaq added 1.2%.

Here are Thursday’s winners and losers:

Winners

Office Depot Inc. (ODP)
Despite facing a more than $200 million lawsuit from a vendor, the office supplies retailer saw its shares soar 11.4%. ODP shares last traded at $6.06, up 62 cents on the day.

Eastman Kodak Co. (EK)
The camera and film manufacturer gained big as the stock closed up 11.1%. Kodak shares ended the session at $6.11, a gain of 61 cents on the day.

Hartford Financial Services Group Inc. (HIG)
Positive words from the company’s CEO helped the investment firm rise 8.7%. HIG shares closed at $25.00 up $1.99 on the day.

CBS Corp. (CBS)
The media giant gained 8.4% after Goldman upgraded the sector. CBS finished trading at $11.95, a gain of 93 cents on the day.

Pioneer Natural Resources Co. (PXD)
The oil exploration company traded up 8.2% Thursday. PXD shares closed at $32.88 up $2.48 on the day.

Losers

Monsanto Co. (MON)
A drop in the company’s full-year outlook pushed the world’s largest seed producer down 5%. MON shares last traded at $79.30, a loss of $4.18 on the day.

Snap-On Inc. (SNA)
The tool manufacturer bucked market trends as the stock fell 3.3%. SNA shares closed at $36.26, down $1.25 on the day.

Ameren Corp. (AEE)
After announcing a common stock offering late Wednesday, the utility fell 2.9% on Thursday at session’s end. AEE shares closed at $25.35, down 75 cents on the day.

American International Group (AIG)
News that the insurer may be shedding business to pay back government loans drove the stock down 2.7%. AIG shares finished Thursday at $37.85, a loss of $1.04.

Electronic Arts Inc. (ERTS)
Shares of Electronic Arts dropped 2.6% after a downgrade by Goldman. ERTS shares last traded at $18.05, down 48 cents on the day.