Before the bell: A choppy day for Wall Street

U.S. stocks were poised to open little changed Wednesday, with tech shares gaining attention on the heels of Dell's results.
But any gains could be tempered and trading could be choppy as investors remain worried about the economy. Investors may get some insight into what the Federal Reserve is thinking when the minutes from the last policy meeting are release later in the day.

Tech stocks will be in focus again on Wednesday.
Dell (DELL, Fortune 500) reported record earnings, even as PC sales slumped. Dell's stock jumped more than 6% in premarket trade.
Economy: In the afternoon, investors will turn their attention to minutes from the Federal Reserve's April meeting for hints on how the Fed will bring its stimulus program known as QE2 to a close.
Companies: Target (TGT, Fortune 500) posted earnings per share of 99 cents, up 9.8% from the same quarter a year ago. Shares were little changed in premarket trade.
Office supply giant Staples (SPLS, Fortune 500) reported a 2% rise in sales to $6.2 billion, and net income rose of $198 million. The results were just shy of forecasts and the company issued a tepid outlook, sending shares of down nearly 6% in premarket trading.