The best-performing stock of the past three decades is not one of the tech titans you'd assume.It's actually an energy drink company: Monster Beverage. Monster's stock has climbed for decades, along with sales, which have grown consistently for 31 years straight. Between Feb. 14, 1994, and Wednesday, Monster's stock appreciated by about 200,000%. That means that if a consumer had invested $1,000 in 1994, the stake would be worth about $2 million today. Analysts say several factors have driven Monster's succ ...