The following stocks were among those that moved substantially or traded heavily Thursday on the New York Stock Exchange and the Nasdaq Stock Market:
SLM Corp., down 16 cents at $11.81
Higher sales from interest and fees helped the student lender post a quarterly profit, reversing the year-ago loss.
ITT Educational Services Inc., up $6.09 at $104
Student enrollments and profit jumped during the for-profit school's fourth quarter, and it issued a strong guidance for 2010.
Blockbuster Inc., down 24 cents at 49 cents
Holiday season sales came in below expectations despite investments in ads and inventory, and the company cut its guidance.
JPMorgan Chase & Co., down $2.86 at $40.54
The bank's shares sank after President Obama's newest policy proposal, which would limit the size and trading capabilities of big banks.
Total System Services, Inc., down $2.03 at $14.98
The credit card transaction processor expects sales to fall this year and will take steps to aggressively reduce costs.
Goldman Sachs Group Inc., down $6.92 at $160.87
The bank earned nearly $4.8 billion in the fourth quarter, but shares dropped on President Obama's moves to overhaul financial regulations.
Starbucks Corp., up 39 cents at $23.68
Analysts said the coffee chain's turnaround efforts seemed to be paying off as its quarterly profit tripled and it raised its outlook.
EBay Inc., up $1.90 at $24.13
Strength in the online marketplace's core auctions unit and its PayPal payments business boosted its quarterly earnings.