Splunk Inc. SPLK shares fell as much as 7% after hours Wednesday, after barely budging in the regular session to close at $102.48, after its first-quarter and full-year outlook fell short of Wall Street estimates. The cloud-software company reported fourth-quarter net income of $269 million, or $1.44 a share, compared with a loss of $140.8 million, or 88 cents a share, in the year-ago period. Adjusted for stock-based compensation and other costs, earnings were $2.04 a share. Revenue rose to $1.25 billion from $901.1 million in the year-ago quarter. Analysts surveyed by FactSet had forecast earnings of $1.14 a share on…