Steven Cohen of Point72 Asset Management just raised the fund's position in foundry specialist Taiwan Semiconductor Manufacturing.Steven Cohen is a billionaire hedge fund investor who serves as CEO of Point72 Asset Management. While parsing through Point72's most recent quarterly 13F filing, I came away with one pretty clear conclusion: Cohen is bullish on artificial intelligence (AI). In the September-ended quarter, some of Point72's more outsized purchases were in "Magnificent Seven" stocks including Nvid ...