The New York Stock Exchange said TesoroPetroleum had replied that it did not comment on unusual market
activity or rumors when asked by the NYSE about the company's
stock rise.
    The NYSE said it had asked the company to issue a public
statement indicating whether there are any corporate
developments that may explain the unusual activity.
    Tesoro's shares rose 7/8 to 14-1/2 in morning trading.
 Reuter
