PTC Therapeutics PTCT Slips 140 as Biotech Sector Faces Selling Pressure SL Green Realty Corp SLG Gains 252 as Office REIT Shows Resilience Cambium Networks CMBM Holds Steady at 040 Key Levels in Focus Finance of America FOA Holds Gains Above Key Support as Bullish Momentum Builds Elite Express Holding ETS Rises 343 Testing Key Resistance at 060