As the economy picks up, these stocks are ready to soar.Investors love tech stocks. They represent a category that's been in solid growth mode for a long time, as well as the future of almost any industry. That almost guarantees growth, for the category at least. The trickier part is choosing which stocks to buy.One way to play the category is to buy shares of a tech-focused, exchange-traded fund (ETF). These days, almost any broad ETF is sure to include a load of tech stocks, so you're covered even with a ...