Stocks that moved substantially or traded heavily Wednesday on the New York Stock Exchange and Nasdaq Stock Market:
Dollar General Corp., down $3.26 at $31.81
The discount store operator said high gas prices had curbed customers' desire to buy, and rising costs hurt its gross margins.
Monster Worldwide Inc., down $1.06 at $14.36
The jobs board company's stock declined after a private-sector report showed businesses created far fewer jobs in May than in April.
Sealed Air Corp., down $1.71 at $23.84
The packaging company is spending about $2.9 billion in cash and stock to acquire diversified manufacturer Diversey Holdings.
Cedar Shopping Centers Inc., up 17 cents at $5.47
The shopping center developer and operator named a new CEO as its old chief executive said he would retire this month.
Jos. A Bank Clothiers Inc., down $7.59 at $49.51
The men's clothing store's quarterly profit and revenue grew, but fell short of Wall Street analysts' projections.
American Superconductor Corp., down $2.58 at $8.11
The maker of technology for wind turbines and power utilities cut its revenue forecast and postponed its annual report.
Research In Motion Ltd., down $2.55 at $40.30
A Jefferies analyst expects shrinking margins for the BlackBerry maker, and sees Nokia's profit warning as a preview of troubles.
Daktronics Inc., up 99 cents at $11.74
The scoreboard system maker posted a quarterly profit compared with a loss a year ago as commerical and overseas orders grew.