The five highest performing cloud computing stocks year-to-date on the Cloud Computing Index are Qualys (NASDAQ: QYLS), Amazon (NASDAQ:AMZN), Workday (NYSE:WDAY), CA Technologies (NASDAQ: CA), and NetSuite (NYSE:N). A $10K investment in Amazon shares made on January 2nd of this year is worth $15,631.00 as of the market close on Friday December