Categorize the input news's emotional tone into one of three groups.
Options: negative, positive

Shares of Sirius XM Holdings Inc. SIRI, -3.93% slid 3.8% toward a six-week low in morning trading Friday, after J.P. Morgan analyst Sebastiano Petti turned bullish on the satellite radio company, amid continued weakness in U.S. auto sales as semiconductor shortages and supply chain issues crimp supply.
negative