 Shares of Charter Communications Inc. CHTR, -1.27 were off 1.3 in afternoon trading Tuesday after Bank of America analyst Jessica Reif Ehrlich cut her rating on the stock to neutral from buy, citing concerns about growing competition in the broadband market. Reif Ehrlich worries about emerging threats to broadband incumbents from fiber and fixed-wireless access and warned that growth in the broadband industry would be more limited going forward. 