With the "Magnificent Seven" (and their close peers) not performing so magnificently anymore, it's time to figure out where the next big growth opportunities are.Is your idle cash piling up because the market environment feels different than it did just a few months ago? If so, you're not crazy. Things are different. In addition to plenty of new political and international trade tensions (including further unrest in the Middle East), the top-performing growth stocks of yesteryear are no longer the market's ...