One of the most influential voices on Wall Street used Netflix to show why markets are overheated (NFLX, OAK)

Denis Doyle / Stringer / Getty Images Legendary finance guruHoward Marks issued a warning shot to investors Wednesday, laying out the case that markets are overheated and risks are going ignored. At one point in hissprawling, 22-page memo, the billionaire founder of Oaktree Capital Managementzeros in on high-flying techdarling Netflix to explain why manyinvestors — specifically debt investors, in this case — have lost their mindin the pursuit ofever-higher returns. Marks says that many are c...