The AI investment megatrend is alive and well heading into 2026.Although 2025 isn't quite over yet, most fund managers have already shifted their focus to 2026, and are adjusting their portfolios for the future. There are plenty of great growth stocks that look reasonably priced now and positioned to do well next year.Here are six in particular that I think retail investors should consider taking positions in now, in case there is a Santa Claus rally to end the year. NvidiaNo list of good growth stocks woul ...