Some of Wall Street's biggest firms are already waving red flags on the stock market's newest sector
5:00pm PDT - October 1st, 2018 ge stock - Business InsiderBI PRIME: S&P Dow Jones Indices and MSCI have flipped the switch on the new communication services sector that brings together telecom and some large internet companies. But it's not getting rave reviews from some Wall Street analysts who are bearish on the s…