
Shares of telecommunications contractor Dycom Industries DY.N fall 2.7% to $170.02 in early trade
Spruce Point Capital Management issues "strong sell" on DY and says it has short position
Adds stock faces up to 35%-55% potential downside risk
Flags concerns on cost saving among Dycom's telecom clients; says co may be embellishing margins
Says DY delayed disclosures of credit exposure to Frontier Communications FYBR.O
Dycom Industries did not immediately respond to a request for comment
DY shares down 2.1% year to date