NEW YORK — Stocks that moved substantially or traded heavily Wednesday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Pandora Media Inc., up $1.32 at $17.73

A Cowen analyst upgraded the Internet radio company citing ad revenue gains and a likely "manageable" threat from Apple Inc.'s radio service.

The Mosaic Co., down $1 at $54.91

A Citi analyst downgraded shares of the fertilizer maker after the company said it would delay a stock buyback program.

Chipotle Mexican Grill Inc., up $4.71 at $363.67

A Sterne Agee analyst started coverage of the casual restaurant chain with a "Buy" rating, citing its growth potential.

UniFirst Corp., down $5.43 at $90.22

The uniform company cut its profit outlook for the full year, citing weak results at its specialty garments business.

Nasdaq

Apollo Group Inc., down $1.99 at $17.39

The for-profit education company, which owns the University of Phoenix, said its third-quarter earnings fell 40 percent.

Synaptics Inc., up $3.12 at $38.99

The touch-screen technology company raised its fiscal fourth-quarter revenue outlook on strong demand for its products.

First Cash Financial Services Inc., down $5.80 at $49.40

The pawn store operator cut its earnings guidance for the year because of falling gold prices and volatility in the Mexican peso.