Palo Alto Networks beat Wall Street's fiscal first-quarter estimates after the bell on Wednesday. The stock fell about 3%. Here's how the company did versus LSEG estimates: Revenues grew 16% from $2.1 billion a year ago. Net income fell to $334 million, or 47 cents per share, from $351 million, or 49 cents per share in the year-ago period. The cybersecurity provider also said it's buying cloud observability platform Chronosphere for a total value of $3.35 billion. Palo Alto guided for revenues