<p>Markets could soon face a fall of up to 60 percent, two experts told CNBC on Wednesday.</p>
<p>A jolt to international confidence in central banks will lead to a 30 to 60 percent market decline, David Tice, president of Tice Capital and founder of the Prudent Bear Fund, told CNBC's "Power Lunch." When this happens, he said, markets will face a "period of extreme turmoil."</p>