(Hot Topics article updated with additional information on the glitches experienced today by Xbox 360 users, in attempting to download the Call of Duty: Modern Warfare 2 map stimulus package.) NEW YORK (TheStreet) -- The chatter on Main Street (a.k.a. Google) is always of interest to investors on Wall Street. Thus, each day TheStreet compiles the stories that are trending on Google, and highlights the news that could make stocks move.

This morning, reports that

Apple

(AAPL) - Get Report

will launch a new iPhone are heating up Google searches.

According to the

Wall Street Journal

, the iPhone will debut this summer. It is rumored that the new phone will be called iPhone HD.

The

Journal

also reports that Apple is working on another iPhone model for

Verizon

(VZ) - Get Report

.

Around noon on Tuesday, the news that

Nissan

had priced its first electric car, the Leaf, at $25,000, after a $7,500 tax credit, began heating up search engines. The Leaf will compete with the upcoming Chevrolet Volt from

General Motors

.

The Leaf will be available towards the end of the year. The car will only be able to go about 100 miles per charge and will take about eight hours to recharge on a 220-volt outlet.

The Case-Shiller index is another hot topic, as home prices fell 0.4% in January.

The Case-Shiller index, which measures home price trends in 20 U.S. cities, was released on Tuesday by Standard & Poor's. Los Angeles was the only city that saw prices rise during the month.

The release date of the

Call of Duty: Modern Warfare 2

map stimulus package was another popular Tuesday morning search. The highly-anticipated map pack was launched today, but when users downloaded it for their

Microsoft

>

(CHRS) - Get Report

Xbox 360, there were glitches.

As a result, Xbox's support site was flooded with hits today, as video gamers looked for solutions. Xbox immediately responded to the problem. "The engineers are already engaged and working on the MW2 Stimulus Pack problem," Xbox Live's director of programming Larry "Major Nelson" Hryb said on Twitter. "They'll get

this corrected."

Call of Duty

has, of course, been the saving grace for video game retailers like

GameStop

(GME) - Get Report

, which have experienced sluggish sales amid the recession.

-- Reported by Jeanine Poggi in New York.

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