Dell (DELL) posted third-quarter revenue that fell short of analysts’ expectations, sending shares lower after the closing bell Tuesday.  The server and personal computer maker delivered revenue of $24.4 billion, a 10% rise year-over-year, and below the analyst consensus from Visible Alpha. Its net income of $1.13 billion or $1.58 per share was up from $1 billion or $1.36 per share a year earlier, beating estimates.  Server and Networking Revenue Climbs on AI Demand Server and networking revenue rose 58 ...