By Camilla Esmund Most Brits just aren’t investing – but a little confidence could make all the difference, writes Interactive Investor’s Camilla Esmund in today’s Notebook It’s all Greek to meWe know that not enough of us in the UK are investing, and yet it has perhaps never been more important to have our money work harder for us. I was looking at some research from Barclays that claimed around 13m UK adults hold £430 billion of “possible investments” in cash savings. Empowering savers to become investors is important but by no means always easy – especially with many of our finances feeling…