Wall Street was keeping a close and cautious eye on Enphase’s outlook ahead of Tuesday’s numbers, due to competition in U.S. and continued softness in the EU.Wall Street was keeping a close and cautious eye on Enphase’s outlook ahead of Tuesday’s numbers, due to competition in U.S. and continued softness in the EU. Wall Street was keeping a close and cautious eye on Enphase’s outlook ahead of Tuesday’s numbers, due to competition in U.S. and continued softness in the EU.