Palo Alto Networks Inc (NASDAQ:PANW) shares are trading higher Tuesday after the company reported better-than-expected financial results, authorized a new buyback and issued strong guidance. Multiple analysts also raised price targets on the stock following the print. Q4 Revenue: $2.189 billion, versus estimates of $2.162 billionQ4 EPS: $1.51, versus estimates of $1.41Total revenue was up 12% year-over-year. Remaining performance obligations grew 20% year-over-year to $12.7 billion. Next-generation security annual recurring revenue increased 43% year-over-year to $4.2 billion. “We finished off…