Investors are keeping a close eye on Best Buy which reports earnings on Tuesday. What must you know to game this stock?

Citi analyst Kate McShane raised her forecast for Best Buy's earnings Monday. "We are seeing stronger traffic at Best Buy in its laptop, Geek Squad and video game sections while traffic remains healthy in TVs and digital cameras," she wrote in a note. "We believe Best Buy continues to benefit from share gains from the liquidation of Circuit City."

She increased her third-quarter estimates to 45 cents from 38 cents per share. Still, she kept her hold rating on the stock.

"Despite its market share gains and strong inventory management, we expect a difficult macro environment will continue to pressure margins over the next year while competition remains intense from regionals, discounters and club stores," she wrote.

Jefferies analyst Dan Binder is more bullush. He told Fast Money "I think the company saw a material improvement in their business. We’re looking for domestic comp store sales to be up 4.5%." He has a buy rating on the stock.

By The Numbers

Analysts polled by Thomson Reuters predict, on average, that Best Buy will report a profit of 43 cents per share on revenue of $11.98 billion. In the same period last year, Best Buy earned $52 million, or 13 cents per share, as revenue rose 16 percent to $11.5 billion.

What’s the trade?

I think the stock is going to $50, says Dan Binder. Don't see your winners. Stay with this trade.

I’m a seller around $48, counters Joe Terranova.

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Trader disclosure: On December 14th, 2009, the following stocks and commodities mentioned or intended to be mentioned on CNBC’s Fast Money were owned by the Fast Money traders; Pete Najarian Owns (AAPL) Calls; Pete Najarian Owns (DELL) Calls; Pete Najarian Owns (RIMM) Call Time Spread; Pete Najarian Owns (UUP) Call Spread; Pete Najarian Owns (CLF), Is Short (CLF) Calls

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