(Bloomberg) -- Wall Street’s enthusiasm for all things weight-loss related got a fresh boost Tuesday after results for a Novo Nordisk A/S obesity drug showed a heart benefit.Most Read from BloombergUS Bank Shares Drop as Moody’s Cuts Ratings, Warns on RisksWall Street WhatsApp, Texting Fines Exceed $2.5 BillionMusk Says He May Need Surgery, Will Get MRI on Back and NeckThe Global South Breaks Away From the US-Led World OrderBillionaire Desmarais Family Quietly Reshapes a Financial EmpireWeight-l