Remember the headline frenzy from last summer. It's baaaaaaaack. From Athens News [3]:
A shocking and possibly groundbreaking turn of events. According to Net television, Pasok head Evangelos Venizelos has agreed to sign a letter related to the memorandum with Syriza chief Alexis Tsipras. What that letter will say is as yet unknown, but Net are standing by their sources. The temperature in the coalition room just spiked up.
This could go either way: if spun as pro-bailout, expect a 100 pip surge in the EURUSD. If not - don't, especially if it turns out to be an "agreement" with changes any of the terms of the Greek bailout, something Germany will not take too kindly to.