NFL legend Rob Gronkowski has revealed how a $69,000 (£54,000) investment in Apple stock, made solely on his house contractor's advice in 2014, has now ballooned to more than $600,000 (£473,000). The former New England Patriots star made the investment despite having no prior knowledge of how the stock market worked.

The NFL legend said he bought Apple stock on a tip from his home builder over a decade ago, and had forgotten about the investment for years.

Former Patriots and Buccaneers superstar tight end Rob Gronkowski revealed that his shares in tech giant Apple have proven to be his "best investment" to date.

Retired NFL star Rob Gronkowski has revealed that investing in Apple stock nearly a decade ago turned out to be the smartest financial move of his life. Speaking with Fortune, the former New England P

If you ask retired NFL tight end Rob "Gronk" Gronkowski about the best investment he ever made, he'll say it was Apple stock.

Gronk made the investment when he was just 25-years-old and “didn’t know how stocks work.” It's more than tripled in value.

Former All-Pro tight end Rob Gronkowski made a good amount of money during his NFL career and it's helped him branch out into some very successful post-career ventures. But there's one investment he made during his playing career that he's particularly proud of.