NEW YORK (TheStreet) -- Shares of Potbelly Corp. (PBPB - Get Report) are falling -20.82% to $11.60 in pre-market trading on Thursday continuing a decline that began in after-hours trading on Wednesday, following the company's 2014 second quarter sales warning.
Potbelly, a sandwich, salads, and fresh foods restaurant chain, announced it's expecting a 1.6% decrease in comparable store sales for the second quarter versus a 3% increase from the 2013 second quarter.
However, the company is expecting an increase in revenue to $83.6 million, up from $78.2 million from the year ago period, but falling short of the $87 million in revenue analysts are expecting.
Potbelly will announced its 2014 second quarter results after the market closes on August 5.Must Read: Warren Buffett's 25 Favorite Stocks
STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.