• Eric Schmidt is stepping down as executive chairman of Alphabet.

• Goldman continues to embrace Bitcoin.

• Boeing is circling Brazil's Embraer.

• Apple is big, but just how big?

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Eric Schmidt was Alphabet's ambassador to Washington, Brussels, and Beijing.

In Eric Schmidt's decade running Google, the company went from internet upstart to a tech giant. And as it did, Mr. Schmidt's profile had grown and broadened. He gave speeches about the economy and cultivated government relationships.

But Google's size and search dominance also raised concerns among lawmakers and regulators in both the United States and abroad.