Alphabet (GOOGL) has experienced quite a turnaround year, touching $140 during the April lows before rallying all the way to $328 at the end of November. As George Tsilis explains on today's Tech Corner, Alphabet's growing A.I. segment and robust earnings continue to add muscle to the Mag 7 stock's long-term potential. However, keep headwinds in mind as the company builds out A.I. infrastructure in its race against competitors like OpenAI.