Rose 103% following clinical breakthroughs in cystic fibrosis treatments that significantly expanded their addressable market.

Gained roughly 56% as its e-commerce dominance and AWS cloud business continued to scale rapidly.

Here are the best stocks from 2017 based on their performance and analyst outlooks from that period:

Rose about 46% in 2017, supported by the launch of the iPhone X and strong growth in services. Top Analyst "Buy" Picks (2017 Context)

The year's surprise leader, gaining 132% after a massive restructuring plan focused on cutting costs and selling assets.