CFRA's Angelo Zino believes Alphabet's (GOOGL) recent rally has been "long overdue." He credits the company's tech execution for the huge upside surge it saw in recent weeks, noting the potential Gemini 3.0 and Google Cloud has to the A.I. trade. Angelo considers Berkshire Hathaway's (BRK/B) investment into Alphabet validation for the Mag 7 giant's future prospects.