The Analysts see further upside ahead, with Citigroup, JPMorgan Chase and Nomura Holdings are among brokers forecasting at least another 20% climb next year. Strong earnings growth should bolster that upward trajectory, analysts add. The biggest artificial intelligence winners weren't conventional chipmakers or large-cap names but proxy plays. That includes power transformer maker Hyosung Heavy Industries and nuclear power provider Doosan Enerbility, which saw shares up more than 320% each this year, acco ...