*Slovenia Jan Producer Prices Fall 0.5% M-o-M Vs. +0.1% In December

*Yen Ticks Down To 189.88 Against Pound

*Yen Slides To 2-day Low Of 167.19 Against Swiss Franc

*Yen Edges Down To 156.78 Against Euro

*Italy Jan Non-EU Trade Surplus EUR 252 Mln Vs. +EUR 3.03 Bln Last Year