Andreas Halvorsen just reminded Wall Street why Viking Global Investors is one of the hedge fund world's most-watched portfolios: he doesn't trim, he swings. Viking's third quarter 13F filing shows a $38.5 billion book that looks like it's been through a full reboot — complete with shock exits, oversized new wagers and a decisive tilt toward financials.Track Viking’s top holding PNC here.The Quarter Halvorsen Broke Up With Big TechThe headline-grabber is impossible to miss: Viking dumped Nvidia Corp (NASDAQ ...