NEW YORK (CNNMoney.com) - The New York Stock Exchange itself will grab investors' attention at Wednesday's open when shares of the world's largest stock exchange trade for the first time, but the overall market itself looks to open lower.

In before-hours trading, stock futures were lower, with the tech-laden Nasdaq especially hard hit after a problem involving Google.

The exchange is expected to start trading as the NYSE Group under the ticker "NYX" a year after buying electronic trader Archipelago Holdings. The combined entity is expected to have a market value of $10 billion. [For more about the NYSE's public debut, click here]

In other news, oil prices eased after OPEC signaled that the cartel would keep output steady for the time being. U.S. crude for April delivery was down 23 cents to $61.35 a barrel in electronic trading. London Brent crude lost 44 cents to $60.73 a barrel.

On tap Wednesday is the weekly U.S. inventory report that is expected to show a decline in stockpiles of gasoline and distillate fuel used for heating.

Separately, new Federal Reserve Chairman Ben Bernanke is speaking at an event organized by the Independent Community Bankers of America Association in Las Vegas later Wednesday. Market watchers are likely to pay attention for Bernanke's remarks about the state of the economy, inflation concerns and interest rates.

Overseas, major markets in Asia and Europe were mostly lower. In currency trading, the dollar lost value against the yen and the euro.

Treasury prices edged lower, pushing the yield on the benchmark 10-year note up to 4.73 percent from 4.72 percent late Tuesday. Treasury prices and yields move in opposite directions.

In corporate news, Google (Research) shares could face some turbulence after the company suffered its latest blunder. Google shares slid close to 1 percent in the previous session after the search engine disclosed Tuesday that certain slides presented on the Web during its recent analyst meeting shouldn't have been there. [Click here for full story]