NEW YORK ( TheStreet) -- A new volcanic ash cloud suspended air traffic in Ireland and Scotland and could threaten air space in England, sending Internet users again -- as they did last week, and the week before -- searching with the phrase "ash cloud."

Continental Airlines ( CAL) and Ryanair Holdings ( RYAAY) were among the carriers that canceled flights on Wednesday.

The new eruption comes two weeks after the ash from the Iceland volcano paralyzed air traffic across Europe, causing significant losses for airline carriers.

Google ( GOOG) announced on Tuesday that it will begin selling electronic books through Google Edition. The site would allow publishers to sell digital copies of in-print books straight to consumers.

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This move pits Google against Amazon ( AMZN) in the e-book market. Amazon has been receiving criticism from publishers when it comes to its pricing strategy.

A strike in Greece turned violent this morning, as protests turn into riots, with protesters attempting to storm parliament. The protesters are angered over spending cuts being made by the government in an effort to stave off bankruptcy.

On Tuesday, global markets were in a tizzy, with major U.S. indices posting their biggest losses in months. The major worry is that a $144 billion aid package won't be enough to mitigate Greece's growing debt crisis and that it will spread to other European nations.

Prudential Financial ( PRU) is a popular search after the company said it delayed a planned $21 billion share issue that would be used to fund the acquisition of Asia-based AIA Group.

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.

-- Reported by Jeanine Poggi in New York.

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