Safe from a trading standpoint or safe from an investing standpoint?  Maybe not so much the latter if you think the price action for the past 2 years means anything...

http://finance.yahoo.com/echarts?s=lim.to#symbol=lim.to;range=2y;compare=;indicator=volume;charttype=area;crosshair=on;ohlcvalues=0;logscale=off;source=undefined;