The volume yesterday was a major standout from previous trading...

The volume yesterday was a major standout from previous trading for the last 12 months on no news, below are days in excess of 10m shares traded. Yesterday was approx 40% above its nearest rival day.

Date Open High Low Close Volume
4/01/2012 0.016 0.023 0.016 0.019 27,423,654
30/11/2011 0.022 0.034 0.022 0.025 16,903,322
15/08/2011 0.02 0.023 0.017 0.019 14,049,441
8/02/2011 0.023 0.03 0.02 0.024 11,361,898
2/02/2011 0.012 0.021 0.012 0.013 10,961,987
1/12/2011 0.029 0.031 0.026 0.027 10,175,016
7/12/2011 0.029 0.029 0.017 0.022 10,074,310

This tells me quite simply that some are in the know, IMO expect a good announcement.