With enough time, this ETF could help build significant wealth.The right investments can help you build life-changing wealth, and tech stocks are known for their explosive earnings.Investing in a tech-focused exchange-traded fund (ETF) can be a smart way to gain exposure to this sector with less effort and increased diversification. The Vanguard Information Technology ETF (VGT +0.34%) is a leading tech ETF, and investing 10 years ago would have proven lucrative by today. How far could $1,000 go over 10 year ...