These companies saw massive triple-digit or high double-digit gains throughout the year:

The tech sector experienced a powerful momentum rally. Key stocks to watch included:

: Gained 95% as gambling revenue in Macau recovered and the company expanded its U.S. and Asian resorts.

: The year's top S&P performer, gaining 132% after shifting strategy away from clean energy toward debt reduction and cost-cutting.

: Gained 131% (or up to 143% by some year-to-date metrics) driven by massive growth in its Invisalign clear aligner business.

: Favored for its massive cash reserves and leadership in digital advertising and machine learning.

: Large-cap growth names like Amazon (+57%), Apple (+45%), and Netflix (+55%) all delivered market-beating returns. Blue-Chip & Value Picks for 2017

: Identified as being in an "inflection year" for its cloud (Azure) and subscription-based Office models.