These stocks offer above-average growth at a reasonable price.Nvidia (NVDA -0.36%) has been one of the best stocks to own in the artificial intelligence (AI) race so far. The company's revenue has tripled year over year in recent quarters, sending the stock up 149% in the first half of 2024.At these lofty share prices, Nvidia's valuation looks stretched. The stock's forward price-to-earnings ratio was less than 30 to start the year, but it now trades at a more expensive 45 times this year's consensus earnin ...