NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
Bristol-Myers Squibb Co., up $3.25 to $52.02
Morgan Stanley upgrades the pharmaceutical, saying its Nivolumab treatment could rival the most widely used cancer drugs.
CF Industries Holdings Inc., up $8.74 to $218.36
Rival fertilizer company Mosaic will spend $1.4 billion to acquire its phosphate business and signed new supply agreements.
Fusion-io Inc., up $1.55 to $11.09
CEO Shane Robison bought more than 105,000 shares in the flash storage drive maker after the stock tumbled sharply last week.
Ruby Tuesday Inc., down 37 cents to $5.60
Director Matthew Drapkin resigned from the board and sold all of his stock in the restaurant chain, which had a terrible quarter.
Roper Industries Inc., down $8.78 to $124.26
The industrial technology company fell short of Wall Street expectations for its third quarter and lowered its outlook.
Synta Pharmaceuticals Corp., down $1.30 to $5.10
The drugmaker says data on ganetespib "increases confidence" in the lung cancer treatment, but investors see it differently.
Sohu.com Inc., down $13.31 to $68.11
The operator of a Chinese Web portal said its quarterly profit fell 20 percent due to new expenses for staff and marketing.
Crocs Inc., down 65 cents to $13.03
A PiperJaffray analyst downgrades the shoemaker's stock on concerns about worsening sales.