Alphabet's soaring stock just pushed it above a $1 trillion market cap. Here are the 11 highest-valued public companies.

Alphabet is the latest company to reach a $1 trillion valuation in public trading after closing at a record high Thursday.The record level adds a third tech company to the list of firms with four-comma valuations.The list of highest-valued firms remains tech-heavy, though oil behemoth Saudi Aramco maintains the world's highest market cap at $1.84 trillion.Here are the 11 highest-valued public companies in the world, ranked in ascending order.Visit the Business Insider homepage for more stories....