 Arco Platform Ltd NASDAQ:ARCEs stock price rose 6.4 during mid-day trading on Tuesday . The company traded as high as 42.58 and last traded at 40.65, approximately 144,247 shares traded hands during mid-day trading. A decline of 17 from the average daily volume of 174,087 shares. The stock had previously closed at 38.20. ARCE has ... 