Wall Street is buzzing over Alphabet's blowout June quarter financial results. Analysts are growing more confident over the prospects for many of Alphabet's emerging businesses including YouTube, autonomous cars and cloud computing. The internet giant reported better-than-expected second-quarter earnings Monday. It posted adjusted earnings per share of $11.75 versus the Wall Street consensus of $9.59 for the June quarter. Alphabet shares are up 4.3 percent in Tuesday's premarket session to $1,263.50.